Home / 187,561.17-281,340.54-47,319.93

Finding the Fourth Proportional to 187,561.17, 281,340.54 and 47,319.93

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Solution

The fourth proportional to 187,561.17, 281,340.54 and 47,319.93 is: 70,979.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,561.17 : 281,340.54 = 47,319.93 : x
  2. Step 2: Convert to fraction form
    187,561.17/281,340.54 = 47,319.93/x
  3. Step 3: Cross multiply
    187,561.17x = 281,340.54 × 47,319.93
  4. Step 4: Simplify right side
    187,561.17x = 13,313,014,658.96
  5. Step 5: Solve for x
    x = 13,313,014,658.96/187,561.17
  6. Step 6: Final answer
    x = 70,979.59

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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.