Home / 123,445.93-170,355.22-66,857.53

Finding the Fourth Proportional to 123,445.93, 170,355.22 and 66,857.53

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Solution

The fourth proportional to 123,445.93, 170,355.22 and 66,857.53 is: 92,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,445.93 : 170,355.22 = 66,857.53 : x
  2. Step 2: Convert to fraction form
    123,445.93/170,355.22 = 66,857.53/x
  3. Step 3: Cross multiply
    123,445.93x = 170,355.22 × 66,857.53
  4. Step 4: Simplify right side
    123,445.93x = 11,389,529,231.81
  5. Step 5: Solve for x
    x = 11,389,529,231.81/123,445.93
  6. Step 6: Final answer
    x = 92,263.30

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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.