Home / 143,851.86-198,600.60-127,892.16

Finding the Fourth Proportional to 143,851.86, 198,600.60 and 127,892.16

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Solution

The fourth proportional to 143,851.86, 198,600.60 and 127,892.16 is: 176,566.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,851.86 : 198,600.60 = 127,892.16 : x
  2. Step 2: Convert to fraction form
    143,851.86/198,600.60 = 127,892.16/x
  3. Step 3: Cross multiply
    143,851.86x = 198,600.60 × 127,892.16
  4. Step 4: Simplify right side
    143,851.86x = 25,399,459,711.30
  5. Step 5: Solve for x
    x = 25,399,459,711.30/143,851.86
  6. Step 6: Final answer
    x = 176,566.78

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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.