Home / 113,869.33-157,181.61-68,549.42

Finding the Fourth Proportional to 113,869.33, 157,181.61 and 68,549.42

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Solution

The fourth proportional to 113,869.33, 157,181.61 and 68,549.42 is: 94,623.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,869.33 : 157,181.61 = 68,549.42 : x
  2. Step 2: Convert to fraction form
    113,869.33/157,181.61 = 68,549.42/x
  3. Step 3: Cross multiply
    113,869.33x = 157,181.61 × 68,549.42
  4. Step 4: Simplify right side
    113,869.33x = 10,774,708,850.18
  5. Step 5: Solve for x
    x = 10,774,708,850.18/113,869.33
  6. Step 6: Final answer
    x = 94,623.45

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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.