Home / 121,650.58-182,456.04-42,746.38

Finding the Fourth Proportional to 121,650.58, 182,456.04 and 42,746.38

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Solution

The fourth proportional to 121,650.58, 182,456.04 and 42,746.38 is: 64,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,650.58 : 182,456.04 = 42,746.38 : x
  2. Step 2: Convert to fraction form
    121,650.58/182,456.04 = 42,746.38/x
  3. Step 3: Cross multiply
    121,650.58x = 182,456.04 × 42,746.38
  4. Step 4: Simplify right side
    121,650.58x = 7,799,335,219.14
  5. Step 5: Solve for x
    x = 7,799,335,219.14/121,650.58
  6. Step 6: Final answer
    x = 64,112.60

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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.