Home / 374,454.10-561,681.15-149,849.20

Finding the Fourth Proportional to 374,454.10, 561,681.15 and 149,849.20

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Solution

The fourth proportional to 374,454.10, 561,681.15 and 149,849.20 is: 224,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,454.10 : 561,681.15 = 149,849.20 : x
  2. Step 2: Convert to fraction form
    374,454.10/561,681.15 = 149,849.20/x
  3. Step 3: Cross multiply
    374,454.10x = 561,681.15 × 149,849.20
  4. Step 4: Simplify right side
    374,454.10x = 84,167,470,982.58
  5. Step 5: Solve for x
    x = 84,167,470,982.58/374,454.10
  6. Step 6: Final answer
    x = 224,773.80

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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.