Home / 119,333.12-178,887.90-40,392.08

Finding the Fourth Proportional to 119,333.12, 178,887.90 and 40,392.08

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Solution

The fourth proportional to 119,333.12, 178,887.90 and 40,392.08 is: 60,550.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,333.12 : 178,887.90 = 40,392.08 : x
  2. Step 2: Convert to fraction form
    119,333.12/178,887.90 = 40,392.08/x
  3. Step 3: Cross multiply
    119,333.12x = 178,887.90 × 40,392.08
  4. Step 4: Simplify right side
    119,333.12x = 7,225,654,367.83
  5. Step 5: Solve for x
    x = 7,225,654,367.83/119,333.12
  6. Step 6: Final answer
    x = 60,550.28

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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.