Home / 462,190.08-693,388.80-146,657.28

Finding the Fourth Proportional to 462,190.08, 693,388.80 and 146,657.28

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Solution

The fourth proportional to 462,190.08, 693,388.80 and 146,657.28 is: 220,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,190.08 : 693,388.80 = 146,657.28 : x
  2. Step 2: Convert to fraction form
    462,190.08/693,388.80 = 146,657.28/x
  3. Step 3: Cross multiply
    462,190.08x = 693,388.80 × 146,657.28
  4. Step 4: Simplify right side
    462,190.08x = 101,690,515,390.46
  5. Step 5: Solve for x
    x = 101,690,515,390.46/462,190.08
  6. Step 6: Final answer
    x = 220,018.82

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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.