Home / 643,366.53-965,056.70-194,091.28

Finding the Fourth Proportional to 643,366.53, 965,056.70 and 194,091.28

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Solution

The fourth proportional to 643,366.53, 965,056.70 and 194,091.28 is: 291,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,366.53 : 965,056.70 = 194,091.28 : x
  2. Step 2: Convert to fraction form
    643,366.53/965,056.70 = 194,091.28/x
  3. Step 3: Cross multiply
    643,366.53x = 965,056.70 × 194,091.28
  4. Step 4: Simplify right side
    643,366.53x = 187,309,088,248.16
  5. Step 5: Solve for x
    x = 187,309,088,248.16/643,366.53
  6. Step 6: Final answer
    x = 291,139.00

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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.