Home / 194,724.16-268,719.52-105,300.16

Finding the Fourth Proportional to 194,724.16, 268,719.52 and 105,300.16

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Solution

The fourth proportional to 194,724.16, 268,719.52 and 105,300.16 is: 145,314.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,724.16 : 268,719.52 = 105,300.16 : x
  2. Step 2: Convert to fraction form
    194,724.16/268,719.52 = 105,300.16/x
  3. Step 3: Cross multiply
    194,724.16x = 268,719.52 × 105,300.16
  4. Step 4: Simplify right side
    194,724.16x = 28,296,208,451.12
  5. Step 5: Solve for x
    x = 28,296,208,451.12/194,724.16
  6. Step 6: Final answer
    x = 145,314.32

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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.