Home / 442,823.60-664,235.40-176,625.20

Finding the Fourth Proportional to 442,823.60, 664,235.40 and 176,625.20

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Solution

The fourth proportional to 442,823.60, 664,235.40 and 176,625.20 is: 264,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,823.60 : 664,235.40 = 176,625.20 : x
  2. Step 2: Convert to fraction form
    442,823.60/664,235.40 = 176,625.20/x
  3. Step 3: Cross multiply
    442,823.60x = 664,235.40 × 176,625.20
  4. Step 4: Simplify right side
    442,823.60x = 117,320,710,372.08
  5. Step 5: Solve for x
    x = 117,320,710,372.08/442,823.60
  6. Step 6: Final answer
    x = 264,937.80

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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.