Home / 141,750.40-212,625.60-94,748.80

Finding the Fourth Proportional to 141,750.40, 212,625.60 and 94,748.80

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Solution

The fourth proportional to 141,750.40, 212,625.60 and 94,748.80 is: 142,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,750.40 : 212,625.60 = 94,748.80 : x
  2. Step 2: Convert to fraction form
    141,750.40/212,625.60 = 94,748.80/x
  3. Step 3: Cross multiply
    141,750.40x = 212,625.60 × 94,748.80
  4. Step 4: Simplify right side
    141,750.40x = 20,146,020,449.28
  5. Step 5: Solve for x
    x = 20,146,020,449.28/141,750.40
  6. Step 6: Final answer
    x = 142,123.20

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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.