Home / 136,177.32-187,924.69-76,561.32

Finding the Fourth Proportional to 136,177.32, 187,924.69 and 76,561.32

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Solution

The fourth proportional to 136,177.32, 187,924.69 and 76,561.32 is: 105,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,177.32 : 187,924.69 = 76,561.32 : x
  2. Step 2: Convert to fraction form
    136,177.32/187,924.69 = 76,561.32/x
  3. Step 3: Cross multiply
    136,177.32x = 187,924.69 × 76,561.32
  4. Step 4: Simplify right side
    136,177.32x = 14,387,762,326.99
  5. Step 5: Solve for x
    x = 14,387,762,326.99/136,177.32
  6. Step 6: Final answer
    x = 105,654.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.