Home / 147,234.52-203,186.10-83,574.28

Finding the Fourth Proportional to 147,234.52, 203,186.10 and 83,574.28

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Solution

The fourth proportional to 147,234.52, 203,186.10 and 83,574.28 is: 115,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,234.52 : 203,186.10 = 83,574.28 : x
  2. Step 2: Convert to fraction form
    147,234.52/203,186.10 = 83,574.28/x
  3. Step 3: Cross multiply
    147,234.52x = 203,186.10 × 83,574.28
  4. Step 4: Simplify right side
    147,234.52x = 16,981,132,013.51
  5. Step 5: Solve for x
    x = 16,981,132,013.51/147,234.52
  6. Step 6: Final answer
    x = 115,333.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.