Home / 140,323.04-193,588.44-103,617.20

Finding the Fourth Proportional to 140,323.04, 193,588.44 and 103,617.20

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Solution

The fourth proportional to 140,323.04, 193,588.44 and 103,617.20 is: 142,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,323.04 : 193,588.44 = 103,617.20 : x
  2. Step 2: Convert to fraction form
    140,323.04/193,588.44 = 103,617.20/x
  3. Step 3: Cross multiply
    140,323.04x = 193,588.44 × 103,617.20
  4. Step 4: Simplify right side
    140,323.04x = 20,059,092,105.17
  5. Step 5: Solve for x
    x = 20,059,092,105.17/140,323.04
  6. Step 6: Final answer
    x = 142,949.38

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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.