Home / 153,849.60-211,997.52-113,499.60

Finding the Fourth Proportional to 153,849.60, 211,997.52 and 113,499.60

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Solution

The fourth proportional to 153,849.60, 211,997.52 and 113,499.60 is: 156,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,849.60 : 211,997.52 = 113,499.60 : x
  2. Step 2: Convert to fraction form
    153,849.60/211,997.52 = 113,499.60/x
  3. Step 3: Cross multiply
    153,849.60x = 211,997.52 × 113,499.60
  4. Step 4: Simplify right side
    153,849.60x = 24,061,633,720.99
  5. Step 5: Solve for x
    x = 24,061,633,720.99/153,849.60
  6. Step 6: Final answer
    x = 156,397.12

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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.