Home / 127,116.72-175,423.14-73,406.44

Finding the Fourth Proportional to 127,116.72, 175,423.14 and 73,406.44

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Solution

The fourth proportional to 127,116.72, 175,423.14 and 73,406.44 is: 101,302.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,116.72 : 175,423.14 = 73,406.44 : x
  2. Step 2: Convert to fraction form
    127,116.72/175,423.14 = 73,406.44/x
  3. Step 3: Cross multiply
    127,116.72x = 175,423.14 × 73,406.44
  4. Step 4: Simplify right side
    127,116.72x = 12,877,188,201.02
  5. Step 5: Solve for x
    x = 12,877,188,201.02/127,116.72
  6. Step 6: Final answer
    x = 101,302.08

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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.