Home / 141,434.80-212,137.62-47,938.12

Finding the Fourth Proportional to 141,434.80, 212,137.62 and 47,938.12

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Solution

The fourth proportional to 141,434.80, 212,137.62 and 47,938.12 is: 71,902.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,434.80 : 212,137.62 = 47,938.12 : x
  2. Step 2: Convert to fraction form
    141,434.80/212,137.62 = 47,938.12/x
  3. Step 3: Cross multiply
    141,434.80x = 212,137.62 × 47,938.12
  4. Step 4: Simplify right side
    141,434.80x = 10,169,478,684.07
  5. Step 5: Solve for x
    x = 10,169,478,684.07/141,434.80
  6. Step 6: Final answer
    x = 71,902.24

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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.