Home / 134,328.20-201,443.70-54,332.60

Finding the Fourth Proportional to 134,328.20, 201,443.70 and 54,332.60

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Solution

The fourth proportional to 134,328.20, 201,443.70 and 54,332.60 is: 81,479.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,328.20 : 201,443.70 = 54,332.60 : x
  2. Step 2: Convert to fraction form
    134,328.20/201,443.70 = 54,332.60/x
  3. Step 3: Cross multiply
    134,328.20x = 201,443.70 × 54,332.60
  4. Step 4: Simplify right side
    134,328.20x = 10,944,959,974.62
  5. Step 5: Solve for x
    x = 10,944,959,974.62/134,328.20
  6. Step 6: Final answer
    x = 81,479.24

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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.