Home / 372,155.14-513,720.03-263,825.65

Finding the Fourth Proportional to 372,155.14, 513,720.03 and 263,825.65

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Solution

The fourth proportional to 372,155.14, 513,720.03 and 263,825.65 is: 364,182.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,155.14 : 513,720.03 = 263,825.65 : x
  2. Step 2: Convert to fraction form
    372,155.14/513,720.03 = 263,825.65/x
  3. Step 3: Cross multiply
    372,155.14x = 513,720.03 × 263,825.65
  4. Step 4: Simplify right side
    372,155.14x = 135,532,520,832.77
  5. Step 5: Solve for x
    x = 135,532,520,832.77/372,155.14
  6. Step 6: Final answer
    x = 364,182.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.