Home / 127,071.24-190,711.80-63,909.36

Finding the Fourth Proportional to 127,071.24, 190,711.80 and 63,909.36

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Solution

The fourth proportional to 127,071.24, 190,711.80 and 63,909.36 is: 95,916.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,071.24 : 190,711.80 = 63,909.36 : x
  2. Step 2: Convert to fraction form
    127,071.24/190,711.80 = 63,909.36/x
  3. Step 3: Cross multiply
    127,071.24x = 190,711.80 × 63,909.36
  4. Step 4: Simplify right side
    127,071.24x = 12,188,269,082.45
  5. Step 5: Solve for x
    x = 12,188,269,082.45/127,071.24
  6. Step 6: Final answer
    x = 95,916.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.