Home / 119,155.13-178,685.96-43,235.63

Finding the Fourth Proportional to 119,155.13, 178,685.96 and 43,235.63

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Solution

The fourth proportional to 119,155.13, 178,685.96 and 43,235.63 is: 64,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,155.13 : 178,685.96 = 43,235.63 : x
  2. Step 2: Convert to fraction form
    119,155.13/178,685.96 = 43,235.63/x
  3. Step 3: Cross multiply
    119,155.13x = 178,685.96 × 43,235.63
  4. Step 4: Simplify right side
    119,155.13x = 7,725,598,943.15
  5. Step 5: Solve for x
    x = 7,725,598,943.15/119,155.13
  6. Step 6: Final answer
    x = 64,836.48

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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.