Home / 219,436.44-329,031.54-69,648.81

Finding the Fourth Proportional to 219,436.44, 329,031.54 and 69,648.81

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Solution

The fourth proportional to 219,436.44, 329,031.54 and 69,648.81 is: 104,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,436.44 : 329,031.54 = 69,648.81 : x
  2. Step 2: Convert to fraction form
    219,436.44/329,031.54 = 69,648.81/x
  3. Step 3: Cross multiply
    219,436.44x = 329,031.54 × 69,648.81
  4. Step 4: Simplify right side
    219,436.44x = 22,916,655,213.47
  5. Step 5: Solve for x
    x = 22,916,655,213.47/219,436.44
  6. Step 6: Final answer
    x = 104,434.14

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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.