Home / 127,602.20-176,089.31-71,013.58

Finding the Fourth Proportional to 127,602.20, 176,089.31 and 71,013.58

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Solution

The fourth proportional to 127,602.20, 176,089.31 and 71,013.58 is: 97,997.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,602.20 : 176,089.31 = 71,013.58 : x
  2. Step 2: Convert to fraction form
    127,602.20/176,089.31 = 71,013.58/x
  3. Step 3: Cross multiply
    127,602.20x = 176,089.31 × 71,013.58
  4. Step 4: Simplify right side
    127,602.20x = 12,504,731,067.32
  5. Step 5: Solve for x
    x = 12,504,731,067.32/127,602.20
  6. Step 6: Final answer
    x = 97,997.77

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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.