Home / 442,192.25-663,173.55-126,575.34

Finding the Fourth Proportional to 442,192.25, 663,173.55 and 126,575.34

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Solution

The fourth proportional to 442,192.25, 663,173.55 and 126,575.34 is: 189,830.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,192.25 : 663,173.55 = 126,575.34 : x
  2. Step 2: Convert to fraction form
    442,192.25/663,173.55 = 126,575.34/x
  3. Step 3: Cross multiply
    442,192.25x = 663,173.55 × 126,575.34
  4. Step 4: Simplify right side
    442,192.25x = 83,941,417,570.26
  5. Step 5: Solve for x
    x = 83,941,417,570.26/442,192.25
  6. Step 6: Final answer
    x = 189,830.14

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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.