Home / 156,256.92-215,634.69-84,637.13

Finding the Fourth Proportional to 156,256.92, 215,634.69 and 84,637.13

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Solution

The fourth proportional to 156,256.92, 215,634.69 and 84,637.13 is: 116,799.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,256.92 : 215,634.69 = 84,637.13 : x
  2. Step 2: Convert to fraction form
    156,256.92/215,634.69 = 84,637.13/x
  3. Step 3: Cross multiply
    156,256.92x = 215,634.69 × 84,637.13
  4. Step 4: Simplify right side
    156,256.92x = 18,250,700,211.87
  5. Step 5: Solve for x
    x = 18,250,700,211.87/156,256.92
  6. Step 6: Final answer
    x = 116,799.31

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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.