Home / 143,627.23-198,290.45-127,665.53

Finding the Fourth Proportional to 143,627.23, 198,290.45 and 127,665.53

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Solution

The fourth proportional to 143,627.23, 198,290.45 and 127,665.53 is: 176,253.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,627.23 : 198,290.45 = 127,665.53 : x
  2. Step 2: Convert to fraction form
    143,627.23/198,290.45 = 127,665.53/x
  3. Step 3: Cross multiply
    143,627.23x = 198,290.45 × 127,665.53
  4. Step 4: Simplify right side
    143,627.23x = 25,314,855,861.75
  5. Step 5: Solve for x
    x = 25,314,855,861.75/143,627.23
  6. Step 6: Final answer
    x = 176,253.88

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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.