Home / 123,386.96-170,274.53-66,798.34

Finding the Fourth Proportional to 123,386.96, 170,274.53 and 66,798.34

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Solution

The fourth proportional to 123,386.96, 170,274.53 and 66,798.34 is: 92,181.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,386.96 : 170,274.53 = 66,798.34 : x
  2. Step 2: Convert to fraction form
    123,386.96/170,274.53 = 66,798.34/x
  3. Step 3: Cross multiply
    123,386.96x = 170,274.53 × 66,798.34
  4. Step 4: Simplify right side
    123,386.96x = 11,374,055,948.28
  5. Step 5: Solve for x
    x = 11,374,055,948.28/123,386.96
  6. Step 6: Final answer
    x = 92,181.99

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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.