Home / 211,200.38-291,456.52-126,337.50

Finding the Fourth Proportional to 211,200.38, 291,456.52 and 126,337.50

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Solution

The fourth proportional to 211,200.38, 291,456.52 and 126,337.50 is: 174,345.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,200.38 : 291,456.52 = 126,337.50 : x
  2. Step 2: Convert to fraction form
    211,200.38/291,456.52 = 126,337.50/x
  3. Step 3: Cross multiply
    211,200.38x = 291,456.52 × 126,337.50
  4. Step 4: Simplify right side
    211,200.38x = 36,821,888,095.50
  5. Step 5: Solve for x
    x = 36,821,888,095.50/211,200.38
  6. Step 6: Final answer
    x = 174,345.75

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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.