Home / 465,816.40-698,872.23-166,290.35

Finding the Fourth Proportional to 465,816.40, 698,872.23 and 166,290.35

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Solution

The fourth proportional to 465,816.40, 698,872.23 and 166,290.35 is: 249,488.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,816.40 : 698,872.23 = 166,290.35 : x
  2. Step 2: Convert to fraction form
    465,816.40/698,872.23 = 166,290.35/x
  3. Step 3: Cross multiply
    465,816.40x = 698,872.23 × 166,290.35
  4. Step 4: Simplify right side
    465,816.40x = 116,215,703,406.17
  5. Step 5: Solve for x
    x = 116,215,703,406.17/465,816.40
  6. Step 6: Final answer
    x = 249,488.22

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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.