Home / 127,307.28-175,670.76-73,609.44

Finding the Fourth Proportional to 127,307.28, 175,670.76 and 73,609.44

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Solution

The fourth proportional to 127,307.28, 175,670.76 and 73,609.44 is: 101,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,307.28 : 175,670.76 = 73,609.44 : x
  2. Step 2: Convert to fraction form
    127,307.28/175,670.76 = 73,609.44/x
  3. Step 3: Cross multiply
    127,307.28x = 175,670.76 × 73,609.44
  4. Step 4: Simplify right side
    127,307.28x = 12,931,026,267.97
  5. Step 5: Solve for x
    x = 12,931,026,267.97/127,307.28
  6. Step 6: Final answer
    x = 101,573.34

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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.