Home / 156,085.48-215,397.52-84,465.44

Finding the Fourth Proportional to 156,085.48, 215,397.52 and 84,465.44

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Solution

The fourth proportional to 156,085.48, 215,397.52 and 84,465.44 is: 116,562.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,085.48 : 215,397.52 = 84,465.44 : x
  2. Step 2: Convert to fraction form
    156,085.48/215,397.52 = 84,465.44/x
  3. Step 3: Cross multiply
    156,085.48x = 215,397.52 × 84,465.44
  4. Step 4: Simplify right side
    156,085.48x = 18,193,646,301.71
  5. Step 5: Solve for x
    x = 18,193,646,301.71/156,085.48
  6. Step 6: Final answer
    x = 116,562.07

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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.