Home / 157,784.92-236,502.06-120,221.14

Finding the Fourth Proportional to 157,784.92, 236,502.06 and 120,221.14

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Solution

The fourth proportional to 157,784.92, 236,502.06 and 120,221.14 is: 180,198.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,784.92 : 236,502.06 = 120,221.14 : x
  2. Step 2: Convert to fraction form
    157,784.92/236,502.06 = 120,221.14/x
  3. Step 3: Cross multiply
    157,784.92x = 236,502.06 × 120,221.14
  4. Step 4: Simplify right side
    157,784.92x = 28,432,547,265.55
  5. Step 5: Solve for x
    x = 28,432,547,265.55/157,784.92
  6. Step 6: Final answer
    x = 180,198.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.