Home / 388,658.17-583,319.55-152,166.92

Finding the Fourth Proportional to 388,658.17, 583,319.55 and 152,166.92

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Solution

The fourth proportional to 388,658.17, 583,319.55 and 152,166.92 is: 228,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,658.17 : 583,319.55 = 152,166.92 : x
  2. Step 2: Convert to fraction form
    388,658.17/583,319.55 = 152,166.92/x
  3. Step 3: Cross multiply
    388,658.17x = 583,319.55 × 152,166.92
  4. Step 4: Simplify right side
    388,658.17x = 88,761,939,299.29
  5. Step 5: Solve for x
    x = 88,761,939,299.29/388,658.17
  6. Step 6: Final answer
    x = 228,380.48

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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.