Home / 140,275.04-193,580.79-79,849.58

Finding the Fourth Proportional to 140,275.04, 193,580.79 and 79,849.58

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Solution

The fourth proportional to 140,275.04, 193,580.79 and 79,849.58 is: 110,193.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,275.04 : 193,580.79 = 79,849.58 : x
  2. Step 2: Convert to fraction form
    140,275.04/193,580.79 = 79,849.58/x
  3. Step 3: Cross multiply
    140,275.04x = 193,580.79 × 79,849.58
  4. Step 4: Simplify right side
    140,275.04x = 15,457,344,777.57
  5. Step 5: Solve for x
    x = 15,457,344,777.57/140,275.04
  6. Step 6: Final answer
    x = 110,193.12

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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.