Home / 127,834.31-176,417.35-71,246.09

Finding the Fourth Proportional to 127,834.31, 176,417.35 and 71,246.09

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Solution

The fourth proportional to 127,834.31, 176,417.35 and 71,246.09 is: 98,322.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,834.31 : 176,417.35 = 71,246.09 : x
  2. Step 2: Convert to fraction form
    127,834.31/176,417.35 = 71,246.09/x
  3. Step 3: Cross multiply
    127,834.31x = 176,417.35 × 71,246.09
  4. Step 4: Simplify right side
    127,834.31x = 12,569,045,335.46
  5. Step 5: Solve for x
    x = 12,569,045,335.46/127,834.31
  6. Step 6: Final answer
    x = 98,322.94

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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.