Home / 374,281.56-561,511.17-121,562.91

Finding the Fourth Proportional to 374,281.56, 561,511.17 and 121,562.91

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Solution

The fourth proportional to 374,281.56, 561,511.17 and 121,562.91 is: 182,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,281.56 : 561,511.17 = 121,562.91 : x
  2. Step 2: Convert to fraction form
    374,281.56/561,511.17 = 121,562.91/x
  3. Step 3: Cross multiply
    374,281.56x = 561,511.17 × 121,562.91
  4. Step 4: Simplify right side
    374,281.56x = 68,258,931,822.70
  5. Step 5: Solve for x
    x = 68,258,931,822.70/374,281.56
  6. Step 6: Final answer
    x = 182,373.22

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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.