Home / 151,377.84-208,901.28-87,752.52

Finding the Fourth Proportional to 151,377.84, 208,901.28 and 87,752.52

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Solution

The fourth proportional to 151,377.84, 208,901.28 and 87,752.52 is: 121,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,377.84 : 208,901.28 = 87,752.52 : x
  2. Step 2: Convert to fraction form
    151,377.84/208,901.28 = 87,752.52/x
  3. Step 3: Cross multiply
    151,377.84x = 208,901.28 × 87,752.52
  4. Step 4: Simplify right side
    151,377.84x = 18,331,613,751.23
  5. Step 5: Solve for x
    x = 18,331,613,751.23/151,377.84
  6. Step 6: Final answer
    x = 121,098.40

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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.