Home / 282,724.66-423,976.27-105,134.79

Finding the Fourth Proportional to 282,724.66, 423,976.27 and 105,134.79

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Solution

The fourth proportional to 282,724.66, 423,976.27 and 105,134.79 is: 157,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,724.66 : 423,976.27 = 105,134.79 : x
  2. Step 2: Convert to fraction form
    282,724.66/423,976.27 = 105,134.79/x
  3. Step 3: Cross multiply
    282,724.66x = 423,976.27 × 105,134.79
  4. Step 4: Simplify right side
    282,724.66x = 44,574,656,111.43
  5. Step 5: Solve for x
    x = 44,574,656,111.43/282,724.66
  6. Step 6: Final answer
    x = 157,661.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.