Home / 123,294.84-170,147.97-66,707.34

Finding the Fourth Proportional to 123,294.84, 170,147.97 and 66,707.34

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Solution

The fourth proportional to 123,294.84, 170,147.97 and 66,707.34 is: 92,056.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,294.84 : 170,147.97 = 66,707.34 : x
  2. Step 2: Convert to fraction form
    123,294.84/170,147.97 = 66,707.34/x
  3. Step 3: Cross multiply
    123,294.84x = 170,147.97 × 66,707.34
  4. Step 4: Simplify right side
    123,294.84x = 11,350,118,485.10
  5. Step 5: Solve for x
    x = 11,350,118,485.10/123,294.84
  6. Step 6: Final answer
    x = 92,056.72

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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.