Home / 113,968.30-157,251.90-66,196.93

Finding the Fourth Proportional to 113,968.30, 157,251.90 and 66,196.93

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Solution

The fourth proportional to 113,968.30, 157,251.90 and 66,196.93 is: 91,337.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,968.30 : 157,251.90 = 66,196.93 : x
  2. Step 2: Convert to fraction form
    113,968.30/157,251.90 = 66,196.93/x
  3. Step 3: Cross multiply
    113,968.30x = 157,251.90 × 66,196.93
  4. Step 4: Simplify right side
    113,968.30x = 10,409,593,016.67
  5. Step 5: Solve for x
    x = 10,409,593,016.67/113,968.30
  6. Step 6: Final answer
    x = 91,337.62

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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.