Home / 123,316.02-170,176.14-66,727.26

Finding the Fourth Proportional to 123,316.02, 170,176.14 and 66,727.26

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Solution

The fourth proportional to 123,316.02, 170,176.14 and 66,727.26 is: 92,083.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,316.02 : 170,176.14 = 66,727.26 : x
  2. Step 2: Convert to fraction form
    123,316.02/170,176.14 = 66,727.26/x
  3. Step 3: Cross multiply
    123,316.02x = 170,176.14 × 66,727.26
  4. Step 4: Simplify right side
    123,316.02x = 11,355,387,539.58
  5. Step 5: Solve for x
    x = 11,355,387,539.58/123,316.02
  6. Step 6: Final answer
    x = 92,083.64

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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.