Home / 266,305.13-367,512.01-153,127.88

Finding the Fourth Proportional to 266,305.13, 367,512.01 and 153,127.88

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Solution

The fourth proportional to 266,305.13, 367,512.01 and 153,127.88 is: 211,322.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,305.13 : 367,512.01 = 153,127.88 : x
  2. Step 2: Convert to fraction form
    266,305.13/367,512.01 = 153,127.88/x
  3. Step 3: Cross multiply
    266,305.13x = 367,512.01 × 153,127.88
  4. Step 4: Simplify right side
    266,305.13x = 56,276,332,745.46
  5. Step 5: Solve for x
    x = 56,276,332,745.46/266,305.13
  6. Step 6: Final answer
    x = 211,322.76

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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.