Home / 127,331.53-175,721.30-73,611.79

Finding the Fourth Proportional to 127,331.53, 175,721.30 and 73,611.79

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Solution

The fourth proportional to 127,331.53, 175,721.30 and 73,611.79 is: 101,586.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,331.53 : 175,721.30 = 73,611.79 : x
  2. Step 2: Convert to fraction form
    127,331.53/175,721.30 = 73,611.79/x
  3. Step 3: Cross multiply
    127,331.53x = 175,721.30 × 73,611.79
  4. Step 4: Simplify right side
    127,331.53x = 12,935,158,902.81
  5. Step 5: Solve for x
    x = 12,935,158,902.81/127,331.53
  6. Step 6: Final answer
    x = 101,586.46

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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.