Home / 288,815.52-432,562.17-176,247.90

Finding the Fourth Proportional to 288,815.52, 432,562.17 and 176,247.90

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Solution

The fourth proportional to 288,815.52, 432,562.17 and 176,247.90 is: 263,968.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,815.52 : 432,562.17 = 176,247.90 : x
  2. Step 2: Convert to fraction form
    288,815.52/432,562.17 = 176,247.90/x
  3. Step 3: Cross multiply
    288,815.52x = 432,562.17 × 176,247.90
  4. Step 4: Simplify right side
    288,815.52x = 76,238,174,742.87
  5. Step 5: Solve for x
    x = 76,238,174,742.87/288,815.52
  6. Step 6: Final answer
    x = 263,968.41

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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.