Home / 177,657.03-245,191.70-113,105.65

Finding the Fourth Proportional to 177,657.03, 245,191.70 and 113,105.65

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Solution

The fourth proportional to 177,657.03, 245,191.70 and 113,105.65 is: 156,101.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,657.03 : 245,191.70 = 113,105.65 : x
  2. Step 2: Convert to fraction form
    177,657.03/245,191.70 = 113,105.65/x
  3. Step 3: Cross multiply
    177,657.03x = 245,191.70 × 113,105.65
  4. Step 4: Simplify right side
    177,657.03x = 27,732,566,235.17
  5. Step 5: Solve for x
    x = 27,732,566,235.17/177,657.03
  6. Step 6: Final answer
    x = 156,101.71

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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.