Home / 219,381.13-329,071.69-53,169.13

Finding the Fourth Proportional to 219,381.13, 329,071.69 and 53,169.13

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Solution

The fourth proportional to 219,381.13, 329,071.69 and 53,169.13 is: 79,753.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,381.13 : 329,071.69 = 53,169.13 : x
  2. Step 2: Convert to fraction form
    219,381.13/329,071.69 = 53,169.13/x
  3. Step 3: Cross multiply
    219,381.13x = 329,071.69 × 53,169.13
  4. Step 4: Simplify right side
    219,381.13x = 17,496,453,686.65
  5. Step 5: Solve for x
    x = 17,496,453,686.65/219,381.13
  6. Step 6: Final answer
    x = 79,753.69

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1.5x scale

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.