Home / 153,619.01-230,124.38-72,454.88

Finding the Fourth Proportional to 153,619.01, 230,124.38 and 72,454.88

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Solution

The fourth proportional to 153,619.01, 230,124.38 and 72,454.88 is: 108,538.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,619.01 : 230,124.38 = 72,454.88 : x
  2. Step 2: Convert to fraction form
    153,619.01/230,124.38 = 72,454.88/x
  3. Step 3: Cross multiply
    153,619.01x = 230,124.38 × 72,454.88
  4. Step 4: Simplify right side
    153,619.01x = 16,673,633,975.70
  5. Step 5: Solve for x
    x = 16,673,633,975.70/153,619.01
  6. Step 6: Final answer
    x = 108,538.87

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1.5x scale

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.