Home / 140,571.68-193,969.76-83,971.04

Finding the Fourth Proportional to 140,571.68, 193,969.76 and 83,971.04

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Solution

The fourth proportional to 140,571.68, 193,969.76 and 83,971.04 is: 115,868.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,571.68 : 193,969.76 = 83,971.04 : x
  2. Step 2: Convert to fraction form
    140,571.68/193,969.76 = 83,971.04/x
  3. Step 3: Cross multiply
    140,571.68x = 193,969.76 × 83,971.04
  4. Step 4: Simplify right side
    140,571.68x = 16,287,842,475.75
  5. Step 5: Solve for x
    x = 16,287,842,475.75/140,571.68
  6. Step 6: Final answer
    x = 115,868.59

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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.