Home / 176,877.12-244,078.09-100,397.78

Finding the Fourth Proportional to 176,877.12, 244,078.09 and 100,397.78

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Solution

The fourth proportional to 176,877.12, 244,078.09 and 100,397.78 is: 138,541.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,877.12 : 244,078.09 = 100,397.78 : x
  2. Step 2: Convert to fraction form
    176,877.12/244,078.09 = 100,397.78/x
  3. Step 3: Cross multiply
    176,877.12x = 244,078.09 × 100,397.78
  4. Step 4: Simplify right side
    176,877.12x = 24,504,898,382.64
  5. Step 5: Solve for x
    x = 24,504,898,382.64/176,877.12
  6. Step 6: Final answer
    x = 138,541.93

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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.