Home / 219,390.13-329,085.19-53,178.13

Finding the Fourth Proportional to 219,390.13, 329,085.19 and 53,178.13

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Solution

The fourth proportional to 219,390.13, 329,085.19 and 53,178.13 is: 79,767.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,390.13 : 329,085.19 = 53,178.13 : x
  2. Step 2: Convert to fraction form
    219,390.13/329,085.19 = 53,178.13/x
  3. Step 3: Cross multiply
    219,390.13x = 329,085.19 × 53,178.13
  4. Step 4: Simplify right side
    219,390.13x = 17,500,135,014.89
  5. Step 5: Solve for x
    x = 17,500,135,014.89/219,390.13
  6. Step 6: Final answer
    x = 79,767.19

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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.