Home / 127,114.22-175,428.52-69,764.63

Finding the Fourth Proportional to 127,114.22, 175,428.52 and 69,764.63

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Solution

The fourth proportional to 127,114.22, 175,428.52 and 69,764.63 is: 96,281.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,114.22 : 175,428.52 = 69,764.63 : x
  2. Step 2: Convert to fraction form
    127,114.22/175,428.52 = 69,764.63/x
  3. Step 3: Cross multiply
    127,114.22x = 175,428.52 × 69,764.63
  4. Step 4: Simplify right side
    127,114.22x = 12,238,704,912.11
  5. Step 5: Solve for x
    x = 12,238,704,912.11/127,114.22
  6. Step 6: Final answer
    x = 96,281.16

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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.