Home / 131,200.65-196,856.31-64,641.33

Finding the Fourth Proportional to 131,200.65, 196,856.31 and 64,641.33

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Solution

The fourth proportional to 131,200.65, 196,856.31 and 64,641.33 is: 96,989.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,200.65 : 196,856.31 = 64,641.33 : x
  2. Step 2: Convert to fraction form
    131,200.65/196,856.31 = 64,641.33/x
  3. Step 3: Cross multiply
    131,200.65x = 196,856.31 × 64,641.33
  4. Step 4: Simplify right side
    131,200.65x = 12,725,053,697.29
  5. Step 5: Solve for x
    x = 12,725,053,697.29/131,200.65
  6. Step 6: Final answer
    x = 96,989.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.