Home / 165,734,445.60-248,601,668.40-131,470,279.20

Finding the Fourth Proportional to 165,734,445.60, 248,601,668.40 and 131,470,279.20

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Solution

The fourth proportional to 165,734,445.60, 248,601,668.40 and 131,470,279.20 is: 197,205,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,734,445.60 : 248,601,668.40 = 131,470,279.20 : x
  2. Step 2: Convert to fraction form
    165,734,445.60/248,601,668.40 = 131,470,279.20/x
  3. Step 3: Cross multiply
    165,734,445.60x = 248,601,668.40 × 131,470,279.20
  4. Step 4: Simplify right side
    165,734,445.60x = 32,683,730,754,133,820
  5. Step 5: Solve for x
    x = 32,683,730,754,133,820/165,734,445.60
  6. Step 6: Final answer
    x = 197,205,418.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.