Home / 153,040.13-229,601.49-53,205.85

Finding the Fourth Proportional to 153,040.13, 229,601.49 and 53,205.85

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Solution

The fourth proportional to 153,040.13, 229,601.49 and 53,205.85 is: 79,823.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,040.13 : 229,601.49 = 53,205.85 : x
  2. Step 2: Convert to fraction form
    153,040.13/229,601.49 = 53,205.85/x
  3. Step 3: Cross multiply
    153,040.13x = 229,601.49 × 53,205.85
  4. Step 4: Simplify right side
    153,040.13x = 12,216,141,288.71
  5. Step 5: Solve for x
    x = 12,216,141,288.71/153,040.13
  6. Step 6: Final answer
    x = 79,823.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.