Home / 153,522.36-211,876.38-85,550.40

Finding the Fourth Proportional to 153,522.36, 211,876.38 and 85,550.40

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Solution

The fourth proportional to 153,522.36, 211,876.38 and 85,550.40 is: 118,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,522.36 : 211,876.38 = 85,550.40 : x
  2. Step 2: Convert to fraction form
    153,522.36/211,876.38 = 85,550.40/x
  3. Step 3: Cross multiply
    153,522.36x = 211,876.38 × 85,550.40
  4. Step 4: Simplify right side
    153,522.36x = 18,126,109,059.55
  5. Step 5: Solve for x
    x = 18,126,109,059.55/153,522.36
  6. Step 6: Final answer
    x = 118,068.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.