Home / 141,475.60-212,213.40-47,981.35

Finding the Fourth Proportional to 141,475.60, 212,213.40 and 47,981.35

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Solution

The fourth proportional to 141,475.60, 212,213.40 and 47,981.35 is: 71,972.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,475.60 : 212,213.40 = 47,981.35 : x
  2. Step 2: Convert to fraction form
    141,475.60/212,213.40 = 47,981.35/x
  3. Step 3: Cross multiply
    141,475.60x = 212,213.40 × 47,981.35
  4. Step 4: Simplify right side
    141,475.60x = 10,182,285,420.09
  5. Step 5: Solve for x
    x = 10,182,285,420.09/141,475.60
  6. Step 6: Final answer
    x = 71,972.03

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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.