Home / 149,800.32-206,703.36-86,114.88

Finding the Fourth Proportional to 149,800.32, 206,703.36 and 86,114.88

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Solution

The fourth proportional to 149,800.32, 206,703.36 and 86,114.88 is: 118,826.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,800.32 : 206,703.36 = 86,114.88 : x
  2. Step 2: Convert to fraction form
    149,800.32/206,703.36 = 86,114.88/x
  3. Step 3: Cross multiply
    149,800.32x = 206,703.36 × 86,114.88
  4. Step 4: Simplify right side
    149,800.32x = 17,800,235,042.00
  5. Step 5: Solve for x
    x = 17,800,235,042.00/149,800.32
  6. Step 6: Final answer
    x = 118,826.42

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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.