Home / 261,211.50-360,505.89-153,791.46

Finding the Fourth Proportional to 261,211.50, 360,505.89 and 153,791.46

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Solution

The fourth proportional to 261,211.50, 360,505.89 and 153,791.46 is: 212,252.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,211.50 : 360,505.89 = 153,791.46 : x
  2. Step 2: Convert to fraction form
    261,211.50/360,505.89 = 153,791.46/x
  3. Step 3: Cross multiply
    261,211.50x = 360,505.89 × 153,791.46
  4. Step 4: Simplify right side
    261,211.50x = 55,442,727,161.70
  5. Step 5: Solve for x
    x = 55,442,727,161.70/261,211.50
  6. Step 6: Final answer
    x = 212,252.24

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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.