Home / 123,195.48-170,010.17-66,607.26

Finding the Fourth Proportional to 123,195.48, 170,010.17 and 66,607.26

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Solution

The fourth proportional to 123,195.48, 170,010.17 and 66,607.26 is: 91,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,195.48 : 170,010.17 = 66,607.26 : x
  2. Step 2: Convert to fraction form
    123,195.48/170,010.17 = 66,607.26/x
  3. Step 3: Cross multiply
    123,195.48x = 170,010.17 × 66,607.26
  4. Step 4: Simplify right side
    123,195.48x = 11,323,911,262.80
  5. Step 5: Solve for x
    x = 11,323,911,262.80/123,195.48
  6. Step 6: Final answer
    x = 91,918.24

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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.