Home / 194,914.04-268,981.38-105,490.04

Finding the Fourth Proportional to 194,914.04, 268,981.38 and 105,490.04

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Solution

The fourth proportional to 194,914.04, 268,981.38 and 105,490.04 is: 145,576.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,914.04 : 268,981.38 = 105,490.04 : x
  2. Step 2: Convert to fraction form
    194,914.04/268,981.38 = 105,490.04/x
  3. Step 3: Cross multiply
    194,914.04x = 268,981.38 × 105,490.04
  4. Step 4: Simplify right side
    194,914.04x = 28,374,856,535.46
  5. Step 5: Solve for x
    x = 28,374,856,535.46/194,914.04
  6. Step 6: Final answer
    x = 145,576.26

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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.