Home / 121,309.17-182,093.15-107,357.93

Finding the Fourth Proportional to 121,309.17, 182,093.15 and 107,357.93

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Solution

The fourth proportional to 121,309.17, 182,093.15 and 107,357.93 is: 161,151.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,309.17 : 182,093.15 = 107,357.93 : x
  2. Step 2: Convert to fraction form
    121,309.17/182,093.15 = 107,357.93/x
  3. Step 3: Cross multiply
    121,309.17x = 182,093.15 × 107,357.93
  4. Step 4: Simplify right side
    121,309.17x = 19,549,143,651.18
  5. Step 5: Solve for x
    x = 19,549,143,651.18/121,309.17
  6. Step 6: Final answer
    x = 161,151.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.