Home / 156,006.68-215,287.88-84,386.07

Finding the Fourth Proportional to 156,006.68, 215,287.88 and 84,386.07

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Solution

The fourth proportional to 156,006.68, 215,287.88 and 84,386.07 is: 116,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,006.68 : 215,287.88 = 84,386.07 : x
  2. Step 2: Convert to fraction form
    156,006.68/215,287.88 = 84,386.07/x
  3. Step 3: Cross multiply
    156,006.68x = 215,287.88 × 84,386.07
  4. Step 4: Simplify right side
    156,006.68x = 18,167,297,689.90
  5. Step 5: Solve for x
    x = 18,167,297,689.90/156,006.68
  6. Step 6: Final answer
    x = 116,452.05

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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.