Home / 119,329.40-164,675.02-65,617.80

Finding the Fourth Proportional to 119,329.40, 164,675.02 and 65,617.80

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Solution

The fourth proportional to 119,329.40, 164,675.02 and 65,617.80 is: 90,552.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,329.40 : 164,675.02 = 65,617.80 : x
  2. Step 2: Convert to fraction form
    119,329.40/164,675.02 = 65,617.80/x
  3. Step 3: Cross multiply
    119,329.40x = 164,675.02 × 65,617.80
  4. Step 4: Simplify right side
    119,329.40x = 10,805,612,527.36
  5. Step 5: Solve for x
    x = 10,805,612,527.36/119,329.40
  6. Step 6: Final answer
    x = 90,552.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.