Home / 211,132.94-291,363.60-114,337.55

Finding the Fourth Proportional to 211,132.94, 291,363.60 and 114,337.55

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Solution

The fourth proportional to 211,132.94, 291,363.60 and 114,337.55 is: 157,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,132.94 : 291,363.60 = 114,337.55 : x
  2. Step 2: Convert to fraction form
    211,132.94/291,363.60 = 114,337.55/x
  3. Step 3: Cross multiply
    211,132.94x = 291,363.60 × 114,337.55
  4. Step 4: Simplify right side
    211,132.94x = 33,313,801,340.35
  5. Step 5: Solve for x
    x = 33,313,801,340.35/211,132.94
  6. Step 6: Final answer
    x = 157,785.91

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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.