Home / 187,776.32-280,253.92-162,363.68

Finding the Fourth Proportional to 187,776.32, 280,253.92 and 162,363.68

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Solution

The fourth proportional to 187,776.32, 280,253.92 and 162,363.68 is: 242,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,776.32 : 280,253.92 = 162,363.68 : x
  2. Step 2: Convert to fraction form
    187,776.32/280,253.92 = 162,363.68/x
  3. Step 3: Cross multiply
    187,776.32x = 280,253.92 × 162,363.68
  4. Step 4: Simplify right side
    187,776.32x = 45,503,057,785.63
  5. Step 5: Solve for x
    x = 45,503,057,785.63/187,776.32
  6. Step 6: Final answer
    x = 242,325.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.