Home / 194,378.40-268,233.12-130,705.92

Finding the Fourth Proportional to 194,378.40, 268,233.12 and 130,705.92

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Solution

The fourth proportional to 194,378.40, 268,233.12 and 130,705.92 is: 180,368.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,378.40 : 268,233.12 = 130,705.92 : x
  2. Step 2: Convert to fraction form
    194,378.40/268,233.12 = 130,705.92/x
  3. Step 3: Cross multiply
    194,378.40x = 268,233.12 × 130,705.92
  4. Step 4: Simplify right side
    194,378.40x = 35,059,656,724.07
  5. Step 5: Solve for x
    x = 35,059,656,724.07/194,378.40
  6. Step 6: Final answer
    x = 180,368.07

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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.