Home / 157,511.25-217,359.45-89,537.16

Finding the Fourth Proportional to 157,511.25, 217,359.45 and 89,537.16

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Solution

The fourth proportional to 157,511.25, 217,359.45 and 89,537.16 is: 123,557.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,511.25 : 217,359.45 = 89,537.16 : x
  2. Step 2: Convert to fraction form
    157,511.25/217,359.45 = 89,537.16/x
  3. Step 3: Cross multiply
    157,511.25x = 217,359.45 × 89,537.16
  4. Step 4: Simplify right side
    157,511.25x = 19,461,748,667.26
  5. Step 5: Solve for x
    x = 19,461,748,667.26/157,511.25
  6. Step 6: Final answer
    x = 123,557.83

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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.