Home / 147,757.86-221,658.65-54,256.32

Finding the Fourth Proportional to 147,757.86, 221,658.65 and 54,256.32

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Solution

The fourth proportional to 147,757.86, 221,658.65 and 54,256.32 is: 81,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,757.86 : 221,658.65 = 54,256.32 : x
  2. Step 2: Convert to fraction form
    147,757.86/221,658.65 = 54,256.32/x
  3. Step 3: Cross multiply
    147,757.86x = 221,658.65 × 54,256.32
  4. Step 4: Simplify right side
    147,757.86x = 12,026,382,373.89
  5. Step 5: Solve for x
    x = 12,026,382,373.89/147,757.86
  6. Step 6: Final answer
    x = 81,392.51

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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.