Home / 385,737.20-578,698.13-160,972.59

Finding the Fourth Proportional to 385,737.20, 578,698.13 and 160,972.59

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Solution

The fourth proportional to 385,737.20, 578,698.13 and 160,972.59 is: 241,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,737.20 : 578,698.13 = 160,972.59 : x
  2. Step 2: Convert to fraction form
    385,737.20/578,698.13 = 160,972.59/x
  3. Step 3: Cross multiply
    385,737.20x = 578,698.13 × 160,972.59
  4. Step 4: Simplify right side
    385,737.20x = 93,154,537,216.69
  5. Step 5: Solve for x
    x = 93,154,537,216.69/385,737.20
  6. Step 6: Final answer
    x = 241,497.42

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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.