Home / 154,049.20-212,470.76-132,574.68

Finding the Fourth Proportional to 154,049.20, 212,470.76 and 132,574.68

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Solution

The fourth proportional to 154,049.20, 212,470.76 and 132,574.68 is: 182,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,049.20 : 212,470.76 = 132,574.68 : x
  2. Step 2: Convert to fraction form
    154,049.20/212,470.76 = 132,574.68/x
  3. Step 3: Cross multiply
    154,049.20x = 212,470.76 × 132,574.68
  4. Step 4: Simplify right side
    154,049.20x = 28,168,243,347.79
  5. Step 5: Solve for x
    x = 28,168,243,347.79/154,049.20
  6. Step 6: Final answer
    x = 182,852.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.