Home / 149,833.32-206,752.59-86,191.62

Finding the Fourth Proportional to 149,833.32, 206,752.59 and 86,191.62

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Solution

The fourth proportional to 149,833.32, 206,752.59 and 86,191.62 is: 118,934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,833.32 : 206,752.59 = 86,191.62 : x
  2. Step 2: Convert to fraction form
    149,833.32/206,752.59 = 86,191.62/x
  3. Step 3: Cross multiply
    149,833.32x = 206,752.59 × 86,191.62
  4. Step 4: Simplify right side
    149,833.32x = 17,820,340,671.30
  5. Step 5: Solve for x
    x = 17,820,340,671.30/149,833.32
  6. Step 6: Final answer
    x = 118,934.43

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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.