Home / 191,527.02-287,414.46-86,339.61

Finding the Fourth Proportional to 191,527.02, 287,414.46 and 86,339.61

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Solution

The fourth proportional to 191,527.02, 287,414.46 and 86,339.61 is: 129,565.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,527.02 : 287,414.46 = 86,339.61 : x
  2. Step 2: Convert to fraction form
    191,527.02/287,414.46 = 86,339.61/x
  3. Step 3: Cross multiply
    191,527.02x = 287,414.46 × 86,339.61
  4. Step 4: Simplify right side
    191,527.02x = 24,815,252,384.76
  5. Step 5: Solve for x
    x = 24,815,252,384.76/191,527.02
  6. Step 6: Final answer
    x = 129,565.28

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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.