Home / 288,414.48-432,628.71-88,736.52

Finding the Fourth Proportional to 288,414.48, 432,628.71 and 88,736.52

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Solution

The fourth proportional to 288,414.48, 432,628.71 and 88,736.52 is: 133,106.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,414.48 : 432,628.71 = 88,736.52 : x
  2. Step 2: Convert to fraction form
    288,414.48/432,628.71 = 88,736.52/x
  3. Step 3: Cross multiply
    288,414.48x = 432,628.71 × 88,736.52
  4. Step 4: Simplify right side
    288,414.48x = 38,389,966,177.49
  5. Step 5: Solve for x
    x = 38,389,966,177.49/288,414.48
  6. Step 6: Final answer
    x = 133,106.93

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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.