Home / 187,686.08-281,330.40-87,762.32

Finding the Fourth Proportional to 187,686.08, 281,330.40 and 87,762.32

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Solution

The fourth proportional to 187,686.08, 281,330.40 and 87,762.32 is: 131,550.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,686.08 : 281,330.40 = 87,762.32 : x
  2. Step 2: Convert to fraction form
    187,686.08/281,330.40 = 87,762.32/x
  3. Step 3: Cross multiply
    187,686.08x = 281,330.40 × 87,762.32
  4. Step 4: Simplify right side
    187,686.08x = 24,690,208,590.53
  5. Step 5: Solve for x
    x = 24,690,208,590.53/187,686.08
  6. Step 6: Final answer
    x = 131,550.56

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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.