Home / 211,585.08-291,996.54-126,685.92

Finding the Fourth Proportional to 211,585.08, 291,996.54 and 126,685.92

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Solution

The fourth proportional to 211,585.08, 291,996.54 and 126,685.92 is: 174,832.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,585.08 : 291,996.54 = 126,685.92 : x
  2. Step 2: Convert to fraction form
    211,585.08/291,996.54 = 126,685.92/x
  3. Step 3: Cross multiply
    211,585.08x = 291,996.54 × 126,685.92
  4. Step 4: Simplify right side
    211,585.08x = 36,991,850,306.72
  5. Step 5: Solve for x
    x = 36,991,850,306.72/211,585.08
  6. Step 6: Final answer
    x = 174,832.04

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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.