Home / 238,421.61-329,166.32-157,918.14

Finding the Fourth Proportional to 238,421.61, 329,166.32 and 157,918.14

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Solution

The fourth proportional to 238,421.61, 329,166.32 and 157,918.14 is: 218,022.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,421.61 : 329,166.32 = 157,918.14 : x
  2. Step 2: Convert to fraction form
    238,421.61/329,166.32 = 157,918.14/x
  3. Step 3: Cross multiply
    238,421.61x = 329,166.32 × 157,918.14
  4. Step 4: Simplify right side
    238,421.61x = 51,981,332,215.45
  5. Step 5: Solve for x
    x = 51,981,332,215.45/238,421.61
  6. Step 6: Final answer
    x = 218,022.74

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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.