Home / 141,473.52-212,212.72-47,981.68

Finding the Fourth Proportional to 141,473.52, 212,212.72 and 47,981.68

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Solution

The fourth proportional to 141,473.52, 212,212.72 and 47,981.68 is: 71,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,473.52 : 212,212.72 = 47,981.68 : x
  2. Step 2: Convert to fraction form
    141,473.52/212,212.72 = 47,981.68/x
  3. Step 3: Cross multiply
    141,473.52x = 212,212.72 × 47,981.68
  4. Step 4: Simplify right side
    141,473.52x = 10,182,322,822.97
  5. Step 5: Solve for x
    x = 10,182,322,822.97/141,473.52
  6. Step 6: Final answer
    x = 71,973.35

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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.