Home / 175,635.38-242,382.70-107,639.22

Finding the Fourth Proportional to 175,635.38, 242,382.70 and 107,639.22

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Solution

The fourth proportional to 175,635.38, 242,382.70 and 107,639.22 is: 148,545.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,635.38 : 242,382.70 = 107,639.22 : x
  2. Step 2: Convert to fraction form
    175,635.38/242,382.70 = 107,639.22/x
  3. Step 3: Cross multiply
    175,635.38x = 242,382.70 × 107,639.22
  4. Step 4: Simplify right side
    175,635.38x = 26,089,885,812.98
  5. Step 5: Solve for x
    x = 26,089,885,812.98/175,635.38
  6. Step 6: Final answer
    x = 148,545.73

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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.