Home / 123,754.02-170,780.60-67,165.38

Finding the Fourth Proportional to 123,754.02, 170,780.60 and 67,165.38

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Solution

The fourth proportional to 123,754.02, 170,780.60 and 67,165.38 is: 92,688.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,754.02 : 170,780.60 = 67,165.38 : x
  2. Step 2: Convert to fraction form
    123,754.02/170,780.60 = 67,165.38/x
  3. Step 3: Cross multiply
    123,754.02x = 170,780.60 × 67,165.38
  4. Step 4: Simplify right side
    123,754.02x = 11,470,543,895.63
  5. Step 5: Solve for x
    x = 11,470,543,895.63/123,754.02
  6. Step 6: Final answer
    x = 92,688.25

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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.