Home / 136,177.07-187,924.34-76,561.07

Finding the Fourth Proportional to 136,177.07, 187,924.34 and 76,561.07

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Solution

The fourth proportional to 136,177.07, 187,924.34 and 76,561.07 is: 105,654.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,177.07 : 187,924.34 = 76,561.07 : x
  2. Step 2: Convert to fraction form
    136,177.07/187,924.34 = 76,561.07/x
  3. Step 3: Cross multiply
    136,177.07x = 187,924.34 × 76,561.07
  4. Step 4: Simplify right side
    136,177.07x = 14,387,688,549.44
  5. Step 5: Solve for x
    x = 14,387,688,549.44/136,177.07
  6. Step 6: Final answer
    x = 105,654.27

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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.