Home / 153,538.68-230,289.78-53,691.24

Finding the Fourth Proportional to 153,538.68, 230,289.78 and 53,691.24

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Solution

The fourth proportional to 153,538.68, 230,289.78 and 53,691.24 is: 80,530.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,538.68 : 230,289.78 = 53,691.24 : x
  2. Step 2: Convert to fraction form
    153,538.68/230,289.78 = 53,691.24/x
  3. Step 3: Cross multiply
    153,538.68x = 230,289.78 × 53,691.24
  4. Step 4: Simplify right side
    153,538.68x = 12,364,543,847.53
  5. Step 5: Solve for x
    x = 12,364,543,847.53/153,538.68
  6. Step 6: Final answer
    x = 80,530.48

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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.