Home / 149,521.85-224,281.71-54,758.53

Finding the Fourth Proportional to 149,521.85, 224,281.71 and 54,758.53

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Solution

The fourth proportional to 149,521.85, 224,281.71 and 54,758.53 is: 82,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,521.85 : 224,281.71 = 54,758.53 : x
  2. Step 2: Convert to fraction form
    149,521.85/224,281.71 = 54,758.53/x
  3. Step 3: Cross multiply
    149,521.85x = 224,281.71 × 54,758.53
  4. Step 4: Simplify right side
    149,521.85x = 12,281,337,025.84
  5. Step 5: Solve for x
    x = 12,281,337,025.84/149,521.85
  6. Step 6: Final answer
    x = 82,137.41

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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.