Home / 127,864.07-176,528.02-113,677.66

Finding the Fourth Proportional to 127,864.07, 176,528.02 and 113,677.66

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Solution

The fourth proportional to 127,864.07, 176,528.02 and 113,677.66 is: 156,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,864.07 : 176,528.02 = 113,677.66 : x
  2. Step 2: Convert to fraction form
    127,864.07/176,528.02 = 113,677.66/x
  3. Step 3: Cross multiply
    127,864.07x = 176,528.02 × 113,677.66
  4. Step 4: Simplify right side
    127,864.07x = 20,067,291,512.52
  5. Step 5: Solve for x
    x = 20,067,291,512.52/127,864.07
  6. Step 6: Final answer
    x = 156,942.39

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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.