Home / 123,297.06-170,150.01-85,593.18

Finding the Fourth Proportional to 123,297.06, 170,150.01 and 85,593.18

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Solution

The fourth proportional to 123,297.06, 170,150.01 and 85,593.18 is: 118,118.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,297.06 : 170,150.01 = 85,593.18 : x
  2. Step 2: Convert to fraction form
    123,297.06/170,150.01 = 85,593.18/x
  3. Step 3: Cross multiply
    123,297.06x = 170,150.01 × 85,593.18
  4. Step 4: Simplify right side
    123,297.06x = 14,563,680,432.93
  5. Step 5: Solve for x
    x = 14,563,680,432.93/123,297.06
  6. Step 6: Final answer
    x = 118,118.64

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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.