Home / 225,001.17-310,488.93-123,007.68

Finding the Fourth Proportional to 225,001.17, 310,488.93 and 123,007.68

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Solution

The fourth proportional to 225,001.17, 310,488.93 and 123,007.68 is: 169,743.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,001.17 : 310,488.93 = 123,007.68 : x
  2. Step 2: Convert to fraction form
    225,001.17/310,488.93 = 123,007.68/x
  3. Step 3: Cross multiply
    225,001.17x = 310,488.93 × 123,007.68
  4. Step 4: Simplify right side
    225,001.17x = 38,192,522,944.98
  5. Step 5: Solve for x
    x = 38,192,522,944.98/225,001.17
  6. Step 6: Final answer
    x = 169,743.66

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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.