Home / 127,288.56-175,653.30-70,703.52

Finding the Fourth Proportional to 127,288.56, 175,653.30 and 70,703.52

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Solution

The fourth proportional to 127,288.56, 175,653.30 and 70,703.52 is: 97,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,288.56 : 175,653.30 = 70,703.52 : x
  2. Step 2: Convert to fraction form
    127,288.56/175,653.30 = 70,703.52/x
  3. Step 3: Cross multiply
    127,288.56x = 175,653.30 × 70,703.52
  4. Step 4: Simplify right side
    127,288.56x = 12,419,306,609.62
  5. Step 5: Solve for x
    x = 12,419,306,609.62/127,288.56
  6. Step 6: Final answer
    x = 97,568.13

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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.