Home / 187,572.12-281,358.60-47,330.76

Finding the Fourth Proportional to 187,572.12, 281,358.60 and 47,330.76

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Solution

The fourth proportional to 187,572.12, 281,358.60 and 47,330.76 is: 70,996.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,572.12 : 281,358.60 = 47,330.76 : x
  2. Step 2: Convert to fraction form
    187,572.12/281,358.60 = 47,330.76/x
  3. Step 3: Cross multiply
    187,572.12x = 281,358.60 × 47,330.76
  4. Step 4: Simplify right side
    187,572.12x = 13,316,916,370.54
  5. Step 5: Solve for x
    x = 13,316,916,370.54/187,572.12
  6. Step 6: Final answer
    x = 70,996.25

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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.