Home / 186,691.40-280,038.73-60,331.63

Finding the Fourth Proportional to 186,691.40, 280,038.73 and 60,331.63

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Solution

The fourth proportional to 186,691.40, 280,038.73 and 60,331.63 is: 90,497.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,691.40 : 280,038.73 = 60,331.63 : x
  2. Step 2: Convert to fraction form
    186,691.40/280,038.73 = 60,331.63/x
  3. Step 3: Cross multiply
    186,691.40x = 280,038.73 × 60,331.63
  4. Step 4: Simplify right side
    186,691.40x = 16,895,191,342.18
  5. Step 5: Solve for x
    x = 16,895,191,342.18/186,691.40
  6. Step 6: Final answer
    x = 90,497.97

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1.5x scale

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.