Home / 185,823.40-256,392.17-109,345.83

Finding the Fourth Proportional to 185,823.40, 256,392.17 and 109,345.83

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Solution

The fourth proportional to 185,823.40, 256,392.17 and 109,345.83 is: 150,871.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,823.40 : 256,392.17 = 109,345.83 : x
  2. Step 2: Convert to fraction form
    185,823.40/256,392.17 = 109,345.83/x
  3. Step 3: Cross multiply
    185,823.40x = 256,392.17 × 109,345.83
  4. Step 4: Simplify right side
    185,823.40x = 28,035,413,352.19
  5. Step 5: Solve for x
    x = 28,035,413,352.19/185,823.40
  6. Step 6: Final answer
    x = 150,871.28

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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.