Home / 153,531.68-230,279.28-53,684.24

Finding the Fourth Proportional to 153,531.68, 230,279.28 and 53,684.24

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Solution

The fourth proportional to 153,531.68, 230,279.28 and 53,684.24 is: 80,519.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,531.68 : 230,279.28 = 53,684.24 : x
  2. Step 2: Convert to fraction form
    153,531.68/230,279.28 = 53,684.24/x
  3. Step 3: Cross multiply
    153,531.68x = 230,279.28 × 53,684.24
  4. Step 4: Simplify right side
    153,531.68x = 12,362,368,134.55
  5. Step 5: Solve for x
    x = 12,362,368,134.55/153,531.68
  6. Step 6: Final answer
    x = 80,519.98

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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.