Home / 118,077.12-176,333.04-103,769.28

Finding the Fourth Proportional to 118,077.12, 176,333.04 and 103,769.28

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Solution

The fourth proportional to 118,077.12, 176,333.04 and 103,769.28 is: 154,966.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,077.12 : 176,333.04 = 103,769.28 : x
  2. Step 2: Convert to fraction form
    118,077.12/176,333.04 = 103,769.28/x
  3. Step 3: Cross multiply
    118,077.12x = 176,333.04 × 103,769.28
  4. Step 4: Simplify right side
    118,077.12x = 18,297,952,601.01
  5. Step 5: Solve for x
    x = 18,297,952,601.01/118,077.12
  6. Step 6: Final answer
    x = 154,966.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.