Home / 148,964.52-223,376.35-54,128.61

Finding the Fourth Proportional to 148,964.52, 223,376.35 and 54,128.61

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Solution

The fourth proportional to 148,964.52, 223,376.35 and 54,128.61 is: 81,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,964.52 : 223,376.35 = 54,128.61 : x
  2. Step 2: Convert to fraction form
    148,964.52/223,376.35 = 54,128.61/x
  3. Step 3: Cross multiply
    148,964.52x = 223,376.35 × 54,128.61
  4. Step 4: Simplify right side
    148,964.52x = 12,091,051,332.37
  5. Step 5: Solve for x
    x = 12,091,051,332.37/148,964.52
  6. Step 6: Final answer
    x = 81,167.32

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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.