Home / 123,214.92-170,036.47-66,626.16

Finding the Fourth Proportional to 123,214.92, 170,036.47 and 66,626.16

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Solution

The fourth proportional to 123,214.92, 170,036.47 and 66,626.16 is: 91,944.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,214.92 : 170,036.47 = 66,626.16 : x
  2. Step 2: Convert to fraction form
    123,214.92/170,036.47 = 66,626.16/x
  3. Step 3: Cross multiply
    123,214.92x = 170,036.47 × 66,626.16
  4. Step 4: Simplify right side
    123,214.92x = 11,328,875,872.74
  5. Step 5: Solve for x
    x = 11,328,875,872.74/123,214.92
  6. Step 6: Final answer
    x = 91,944.03

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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.