Home / 123,869.26-170,940.27-73,567.18

Finding the Fourth Proportional to 123,869.26, 170,940.27 and 73,567.18

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Solution

The fourth proportional to 123,869.26, 170,940.27 and 73,567.18 is: 101,523.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,869.26 : 170,940.27 = 73,567.18 : x
  2. Step 2: Convert to fraction form
    123,869.26/170,940.27 = 73,567.18/x
  3. Step 3: Cross multiply
    123,869.26x = 170,940.27 × 73,567.18
  4. Step 4: Simplify right side
    123,869.26x = 12,575,593,612.34
  5. Step 5: Solve for x
    x = 12,575,593,612.34/123,869.26
  6. Step 6: Final answer
    x = 101,523.12

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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.