Home / 140,001.22-193,203.66-76,340.08

Finding the Fourth Proportional to 140,001.22, 193,203.66 and 76,340.08

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Solution

The fourth proportional to 140,001.22, 193,203.66 and 76,340.08 is: 105,350.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,001.22 : 193,203.66 = 76,340.08 : x
  2. Step 2: Convert to fraction form
    140,001.22/193,203.66 = 76,340.08/x
  3. Step 3: Cross multiply
    140,001.22x = 193,203.66 × 76,340.08
  4. Step 4: Simplify right side
    140,001.22x = 14,749,182,860.69
  5. Step 5: Solve for x
    x = 14,749,182,860.69/140,001.22
  6. Step 6: Final answer
    x = 105,350.39

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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.