Home / 119,691.47-179,543.35-30,945.74

Finding the Fourth Proportional to 119,691.47, 179,543.35 and 30,945.74

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Solution

The fourth proportional to 119,691.47, 179,543.35 and 30,945.74 is: 46,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,691.47 : 179,543.35 = 30,945.74 : x
  2. Step 2: Convert to fraction form
    119,691.47/179,543.35 = 30,945.74/x
  3. Step 3: Cross multiply
    119,691.47x = 179,543.35 × 30,945.74
  4. Step 4: Simplify right side
    119,691.47x = 5,556,101,827.83
  5. Step 5: Solve for x
    x = 5,556,101,827.83/119,691.47
  6. Step 6: Final answer
    x = 46,420.20

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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.