Home / 116,766.48-175,206.78-72,381.36

Finding the Fourth Proportional to 116,766.48, 175,206.78 and 72,381.36

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Solution

The fourth proportional to 116,766.48, 175,206.78 and 72,381.36 is: 108,607.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,766.48 : 175,206.78 = 72,381.36 : x
  2. Step 2: Convert to fraction form
    116,766.48/175,206.78 = 72,381.36/x
  3. Step 3: Cross multiply
    116,766.48x = 175,206.78 × 72,381.36
  4. Step 4: Simplify right side
    116,766.48x = 12,681,705,017.62
  5. Step 5: Solve for x
    x = 12,681,705,017.62/116,766.48
  6. Step 6: Final answer
    x = 108,607.41

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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.