Home / 136,593.05-188,493.75-75,341.66

Finding the Fourth Proportional to 136,593.05, 188,493.75 and 75,341.66

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Solution

The fourth proportional to 136,593.05, 188,493.75 and 75,341.66 is: 103,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,593.05 : 188,493.75 = 75,341.66 : x
  2. Step 2: Convert to fraction form
    136,593.05/188,493.75 = 75,341.66/x
  3. Step 3: Cross multiply
    136,593.05x = 188,493.75 × 75,341.66
  4. Step 4: Simplify right side
    136,593.05x = 14,201,432,637.30
  5. Step 5: Solve for x
    x = 14,201,432,637.30/136,593.05
  6. Step 6: Final answer
    x = 103,968.93

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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.