Home / 136,561.20-205,279.20-97,389.60

Finding the Fourth Proportional to 136,561.20, 205,279.20 and 97,389.60

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Solution

The fourth proportional to 136,561.20, 205,279.20 and 97,389.60 is: 146,396.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,561.20 : 205,279.20 = 97,389.60 : x
  2. Step 2: Convert to fraction form
    136,561.20/205,279.20 = 97,389.60/x
  3. Step 3: Cross multiply
    136,561.20x = 205,279.20 × 97,389.60
  4. Step 4: Simplify right side
    136,561.20x = 19,992,059,176.32
  5. Step 5: Solve for x
    x = 19,992,059,176.32/136,561.20
  6. Step 6: Final answer
    x = 146,396.33

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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.