Home / 291,590.20-437,518.57-131,708.88

Finding the Fourth Proportional to 291,590.20, 437,518.57 and 131,708.88

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Solution

The fourth proportional to 291,590.20, 437,518.57 and 131,708.88 is: 197,623.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,590.20 : 437,518.57 = 131,708.88 : x
  2. Step 2: Convert to fraction form
    291,590.20/437,518.57 = 131,708.88/x
  3. Step 3: Cross multiply
    291,590.20x = 437,518.57 × 131,708.88
  4. Step 4: Simplify right side
    291,590.20x = 57,625,080,833.90
  5. Step 5: Solve for x
    x = 57,625,080,833.90/291,590.20
  6. Step 6: Final answer
    x = 197,623.52

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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.