Home / 141,572.22-212,416.65-127,400.46

Finding the Fourth Proportional to 141,572.22, 212,416.65 and 127,400.46

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Solution

The fourth proportional to 141,572.22, 212,416.65 and 127,400.46 is: 191,153.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,572.22 : 212,416.65 = 127,400.46 : x
  2. Step 2: Convert to fraction form
    141,572.22/212,416.65 = 127,400.46/x
  3. Step 3: Cross multiply
    141,572.22x = 212,416.65 × 127,400.46
  4. Step 4: Simplify right side
    141,572.22x = 27,061,978,921.66
  5. Step 5: Solve for x
    x = 27,061,978,921.66/141,572.22
  6. Step 6: Final answer
    x = 191,153.17

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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.