Home / 156,616.48-216,310.17-103,140.52

Finding the Fourth Proportional to 156,616.48, 216,310.17 and 103,140.52

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Solution

The fourth proportional to 156,616.48, 216,310.17 and 103,140.52 is: 142,452.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,616.48 : 216,310.17 = 103,140.52 : x
  2. Step 2: Convert to fraction form
    156,616.48/216,310.17 = 103,140.52/x
  3. Step 3: Cross multiply
    156,616.48x = 216,310.17 × 103,140.52
  4. Step 4: Simplify right side
    156,616.48x = 22,310,343,415.09
  5. Step 5: Solve for x
    x = 22,310,343,415.09/156,616.48
  6. Step 6: Final answer
    x = 142,452.08

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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.