Home / 118,529.80-177,820.30-35,432.20

Finding the Fourth Proportional to 118,529.80, 177,820.30 and 35,432.20

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Solution

The fourth proportional to 118,529.80, 177,820.30 and 35,432.20 is: 53,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,529.80 : 177,820.30 = 35,432.20 : x
  2. Step 2: Convert to fraction form
    118,529.80/177,820.30 = 35,432.20/x
  3. Step 3: Cross multiply
    118,529.80x = 177,820.30 × 35,432.20
  4. Step 4: Simplify right side
    118,529.80x = 6,300,564,433.66
  5. Step 5: Solve for x
    x = 6,300,564,433.66/118,529.80
  6. Step 6: Final answer
    x = 53,155.95

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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.