Home / 211,487.76-291,853.53-115,995.24

Finding the Fourth Proportional to 211,487.76, 291,853.53 and 115,995.24

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Solution

The fourth proportional to 211,487.76, 291,853.53 and 115,995.24 is: 160,073.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,487.76 : 291,853.53 = 115,995.24 : x
  2. Step 2: Convert to fraction form
    211,487.76/291,853.53 = 115,995.24/x
  3. Step 3: Cross multiply
    211,487.76x = 291,853.53 × 115,995.24
  4. Step 4: Simplify right side
    211,487.76x = 33,853,620,257.20
  5. Step 5: Solve for x
    x = 33,853,620,257.20/211,487.76
  6. Step 6: Final answer
    x = 160,073.66

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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.