Home / 153,904.20-230,856.30-54,079.80

Finding the Fourth Proportional to 153,904.20, 230,856.30 and 54,079.80

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Solution

The fourth proportional to 153,904.20, 230,856.30 and 54,079.80 is: 81,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,904.20 : 230,856.30 = 54,079.80 : x
  2. Step 2: Convert to fraction form
    153,904.20/230,856.30 = 54,079.80/x
  3. Step 3: Cross multiply
    153,904.20x = 230,856.30 × 54,079.80
  4. Step 4: Simplify right side
    153,904.20x = 12,484,662,532.74
  5. Step 5: Solve for x
    x = 12,484,662,532.74/153,904.20
  6. Step 6: Final answer
    x = 81,119.70

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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.