Home / 123,853.20-170,916.46-67,264.58

Finding the Fourth Proportional to 123,853.20, 170,916.46 and 67,264.58

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Solution

The fourth proportional to 123,853.20, 170,916.46 and 67,264.58 is: 92,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,853.20 : 170,916.46 = 67,264.58 : x
  2. Step 2: Convert to fraction form
    123,853.20/170,916.46 = 67,264.58/x
  3. Step 3: Cross multiply
    123,853.20x = 170,916.46 × 67,264.58
  4. Step 4: Simplify right side
    123,853.20x = 11,496,623,896.99
  5. Step 5: Solve for x
    x = 11,496,623,896.99/123,853.20
  6. Step 6: Final answer
    x = 92,824.60

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1.5x scale

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.