Home / 266,143.76-367,352.52-153,002.96

Finding the Fourth Proportional to 266,143.76, 367,352.52 and 153,002.96

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Solution

The fourth proportional to 266,143.76, 367,352.52 and 153,002.96 is: 211,186.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,143.76 : 367,352.52 = 153,002.96 : x
  2. Step 2: Convert to fraction form
    266,143.76/367,352.52 = 153,002.96/x
  3. Step 3: Cross multiply
    266,143.76x = 367,352.52 × 153,002.96
  4. Step 4: Simplify right side
    266,143.76x = 56,206,022,923.46
  5. Step 5: Solve for x
    x = 56,206,022,923.46/266,143.76
  6. Step 6: Final answer
    x = 211,186.70

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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.