Home / 175,624.56-242,365.68-99,129.06

Finding the Fourth Proportional to 175,624.56, 242,365.68 and 99,129.06

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Solution

The fourth proportional to 175,624.56, 242,365.68 and 99,129.06 is: 136,800.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,624.56 : 242,365.68 = 99,129.06 : x
  2. Step 2: Convert to fraction form
    175,624.56/242,365.68 = 99,129.06/x
  3. Step 3: Cross multiply
    175,624.56x = 242,365.68 × 99,129.06
  4. Step 4: Simplify right side
    175,624.56x = 24,025,482,034.66
  5. Step 5: Solve for x
    x = 24,025,482,034.66/175,624.56
  6. Step 6: Final answer
    x = 136,800.24

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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.