Home / 219,726.56-303,186.78-127,866.42

Finding the Fourth Proportional to 219,726.56, 303,186.78 and 127,866.42

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Solution

The fourth proportional to 219,726.56, 303,186.78 and 127,866.42 is: 176,434.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,726.56 : 303,186.78 = 127,866.42 : x
  2. Step 2: Convert to fraction form
    219,726.56/303,186.78 = 127,866.42/x
  3. Step 3: Cross multiply
    219,726.56x = 303,186.78 × 127,866.42
  4. Step 4: Simplify right side
    219,726.56x = 38,767,408,149.93
  5. Step 5: Solve for x
    x = 38,767,408,149.93/219,726.56
  6. Step 6: Final answer
    x = 176,434.78

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1.5x scale

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.