Home / 121,382.22-182,095.14-37,140.78

Finding the Fourth Proportional to 121,382.22, 182,095.14 and 37,140.78

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Solution

The fourth proportional to 121,382.22, 182,095.14 and 37,140.78 is: 55,717.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,382.22 : 182,095.14 = 37,140.78 : x
  2. Step 2: Convert to fraction form
    121,382.22/182,095.14 = 37,140.78/x
  3. Step 3: Cross multiply
    121,382.22x = 182,095.14 × 37,140.78
  4. Step 4: Simplify right side
    121,382.22x = 6,763,155,533.81
  5. Step 5: Solve for x
    x = 6,763,155,533.81/121,382.22
  6. Step 6: Final answer
    x = 55,717.84

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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.