Home / 140,119.04-193,365.42-76,457.90

Finding the Fourth Proportional to 140,119.04, 193,365.42 and 76,457.90

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Solution

The fourth proportional to 140,119.04, 193,365.42 and 76,457.90 is: 105,512.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,119.04 : 193,365.42 = 76,457.90 : x
  2. Step 2: Convert to fraction form
    140,119.04/193,365.42 = 76,457.90/x
  3. Step 3: Cross multiply
    140,119.04x = 193,365.42 × 76,457.90
  4. Step 4: Simplify right side
    140,119.04x = 14,784,313,945.82
  5. Step 5: Solve for x
    x = 14,784,313,945.82/140,119.04
  6. Step 6: Final answer
    x = 105,512.53

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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.