Home / 187,267.62-280,900.18-74,973.81

Finding the Fourth Proportional to 187,267.62, 280,900.18 and 74,973.81

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Solution

The fourth proportional to 187,267.62, 280,900.18 and 74,973.81 is: 112,460.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,267.62 : 280,900.18 = 74,973.81 : x
  2. Step 2: Convert to fraction form
    187,267.62/280,900.18 = 74,973.81/x
  3. Step 3: Cross multiply
    187,267.62x = 280,900.18 × 74,973.81
  4. Step 4: Simplify right side
    187,267.62x = 21,060,156,724.29
  5. Step 5: Solve for x
    x = 21,060,156,724.29/187,267.62
  6. Step 6: Final answer
    x = 112,460.21

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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.