Home / 643,358.75-965,045.04-194,083.51

Finding the Fourth Proportional to 643,358.75, 965,045.04 and 194,083.51

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Solution

The fourth proportional to 643,358.75, 965,045.04 and 194,083.51 is: 291,127.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,358.75 : 965,045.04 = 194,083.51 : x
  2. Step 2: Convert to fraction form
    643,358.75/965,045.04 = 194,083.51/x
  3. Step 3: Cross multiply
    643,358.75x = 965,045.04 × 194,083.51
  4. Step 4: Simplify right side
    643,358.75x = 187,299,327,340.32
  5. Step 5: Solve for x
    x = 187,299,327,340.32/643,358.75
  6. Step 6: Final answer
    x = 291,127.35

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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.