Home / 372,923.88-514,635-203,158.08

Finding the Fourth Proportional to 372,923.88, 514,635 and 203,158.08

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Solution

The fourth proportional to 372,923.88, 514,635 and 203,158.08 is: 280,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,923.88 : 514,635 = 203,158.08 : x
  2. Step 2: Convert to fraction form
    372,923.88/514,635 = 203,158.08/x
  3. Step 3: Cross multiply
    372,923.88x = 514,635 × 203,158.08
  4. Step 4: Simplify right side
    372,923.88x = 104,552,258,500.80
  5. Step 5: Solve for x
    x = 104,552,258,500.80/372,923.88
  6. Step 6: Final answer
    x = 280,358.18

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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.