Home / 141,402.12-212,256.87-57,220.24

Finding the Fourth Proportional to 141,402.12, 212,256.87 and 57,220.24

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Solution

The fourth proportional to 141,402.12, 212,256.87 and 57,220.24 is: 85,892.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,402.12 : 212,256.87 = 57,220.24 : x
  2. Step 2: Convert to fraction form
    141,402.12/212,256.87 = 57,220.24/x
  3. Step 3: Cross multiply
    141,402.12x = 212,256.87 × 57,220.24
  4. Step 4: Simplify right side
    141,402.12x = 12,145,389,043.05
  5. Step 5: Solve for x
    x = 12,145,389,043.05/141,402.12
  6. Step 6: Final answer
    x = 85,892.55

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1.5x scale

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.