Home / 131,320.20-196,688.70-101,641.80

Finding the Fourth Proportional to 131,320.20, 196,688.70 and 101,641.80

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Solution

The fourth proportional to 131,320.20, 196,688.70 and 101,641.80 is: 152,237.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,320.20 : 196,688.70 = 101,641.80 : x
  2. Step 2: Convert to fraction form
    131,320.20/196,688.70 = 101,641.80/x
  3. Step 3: Cross multiply
    131,320.20x = 196,688.70 × 101,641.80
  4. Step 4: Simplify right side
    131,320.20x = 19,991,793,507.66
  5. Step 5: Solve for x
    x = 19,991,793,507.66/131,320.20
  6. Step 6: Final answer
    x = 152,237.00

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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.