Home / 141,549.03-212,257.93-52,778.70

Finding the Fourth Proportional to 141,549.03, 212,257.93 and 52,778.70

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Solution

The fourth proportional to 141,549.03, 212,257.93 and 52,778.70 is: 79,143.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,549.03 : 212,257.93 = 52,778.70 : x
  2. Step 2: Convert to fraction form
    141,549.03/212,257.93 = 52,778.70/x
  3. Step 3: Cross multiply
    141,549.03x = 212,257.93 × 52,778.70
  4. Step 4: Simplify right side
    141,549.03x = 11,202,697,079.45
  5. Step 5: Solve for x
    x = 11,202,697,079.45/141,549.03
  6. Step 6: Final answer
    x = 79,143.58

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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.