Home / 148,975.74-223,393.29-54,139.86

Finding the Fourth Proportional to 148,975.74, 223,393.29 and 54,139.86

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Solution

The fourth proportional to 148,975.74, 223,393.29 and 54,139.86 is: 81,184.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,975.74 : 223,393.29 = 54,139.86 : x
  2. Step 2: Convert to fraction form
    148,975.74/223,393.29 = 54,139.86/x
  3. Step 3: Cross multiply
    148,975.74x = 223,393.29 × 54,139.86
  4. Step 4: Simplify right side
    148,975.74x = 12,094,481,445.54
  5. Step 5: Solve for x
    x = 12,094,481,445.54/148,975.74
  6. Step 6: Final answer
    x = 81,184.23

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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.