Home / 187,776.48-281,665.20-47,535.12

Finding the Fourth Proportional to 187,776.48, 281,665.20 and 47,535.12

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Solution

The fourth proportional to 187,776.48, 281,665.20 and 47,535.12 is: 71,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,776.48 : 281,665.20 = 47,535.12 : x
  2. Step 2: Convert to fraction form
    187,776.48/281,665.20 = 47,535.12/x
  3. Step 3: Cross multiply
    187,776.48x = 281,665.20 × 47,535.12
  4. Step 4: Simplify right side
    187,776.48x = 13,388,989,081.82
  5. Step 5: Solve for x
    x = 13,388,989,081.82/187,776.48
  6. Step 6: Final answer
    x = 71,302.80

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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.