Home / 147,718.86-221,578.65-58,979.58

Finding the Fourth Proportional to 147,718.86, 221,578.65 and 58,979.58

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Solution

The fourth proportional to 147,718.86, 221,578.65 and 58,979.58 is: 88,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,718.86 : 221,578.65 = 58,979.58 : x
  2. Step 2: Convert to fraction form
    147,718.86/221,578.65 = 58,979.58/x
  3. Step 3: Cross multiply
    147,718.86x = 221,578.65 × 58,979.58
  4. Step 4: Simplify right side
    147,718.86x = 13,068,615,713.97
  5. Step 5: Solve for x
    x = 13,068,615,713.97/147,718.86
  6. Step 6: Final answer
    x = 88,469.51

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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.