Home / 372,302.72-558,541.56-162,000.80

Finding the Fourth Proportional to 372,302.72, 558,541.56 and 162,000.80

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Solution

The fourth proportional to 372,302.72, 558,541.56 and 162,000.80 is: 243,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,302.72 : 558,541.56 = 162,000.80 : x
  2. Step 2: Convert to fraction form
    372,302.72/558,541.56 = 162,000.80/x
  3. Step 3: Cross multiply
    372,302.72x = 558,541.56 × 162,000.80
  4. Step 4: Simplify right side
    372,302.72x = 90,484,179,553.25
  5. Step 5: Solve for x
    x = 90,484,179,553.25/372,302.72
  6. Step 6: Final answer
    x = 243,039.27

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1.5x scale

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.