Home / 123,526.53-170,466.69-66,937.90

Finding the Fourth Proportional to 123,526.53, 170,466.69 and 66,937.90

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Solution

The fourth proportional to 123,526.53, 170,466.69 and 66,937.90 is: 92,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,526.53 : 170,466.69 = 66,937.90 : x
  2. Step 2: Convert to fraction form
    123,526.53/170,466.69 = 66,937.90/x
  3. Step 3: Cross multiply
    123,526.53x = 170,466.69 × 66,937.90
  4. Step 4: Simplify right side
    123,526.53x = 11,410,682,248.55
  5. Step 5: Solve for x
    x = 11,410,682,248.55/123,526.53
  6. Step 6: Final answer
    x = 92,374.34

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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.