Home / 643,392.27-965,095.41-194,117.16

Finding the Fourth Proportional to 643,392.27, 965,095.41 and 194,117.16

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Solution

The fourth proportional to 643,392.27, 965,095.41 and 194,117.16 is: 291,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,392.27 : 965,095.41 = 194,117.16 : x
  2. Step 2: Convert to fraction form
    643,392.27/965,095.41 = 194,117.16/x
  3. Step 3: Cross multiply
    643,392.27x = 965,095.41 × 194,117.16
  4. Step 4: Simplify right side
    643,392.27x = 187,341,580,118.24
  5. Step 5: Solve for x
    x = 187,341,580,118.24/643,392.27
  6. Step 6: Final answer
    x = 291,177.85

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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.