Home / 372,091.20-558,136.80-150,475.20

Finding the Fourth Proportional to 372,091.20, 558,136.80 and 150,475.20

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Solution

The fourth proportional to 372,091.20, 558,136.80 and 150,475.20 is: 225,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,091.20 : 558,136.80 = 150,475.20 : x
  2. Step 2: Convert to fraction form
    372,091.20/558,136.80 = 150,475.20/x
  3. Step 3: Cross multiply
    372,091.20x = 558,136.80 × 150,475.20
  4. Step 4: Simplify right side
    372,091.20x = 83,985,746,607.36
  5. Step 5: Solve for x
    x = 83,985,746,607.36/372,091.20
  6. Step 6: Final answer
    x = 225,712.80

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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.