Home / 247,787.31-341,935.52-140,355.18

Finding the Fourth Proportional to 247,787.31, 341,935.52 and 140,355.18

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Solution

The fourth proportional to 247,787.31, 341,935.52 and 140,355.18 is: 193,683.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,787.31 : 341,935.52 = 140,355.18 : x
  2. Step 2: Convert to fraction form
    247,787.31/341,935.52 = 140,355.18/x
  3. Step 3: Cross multiply
    247,787.31x = 341,935.52 × 140,355.18
  4. Step 4: Simplify right side
    247,787.31x = 47,992,420,756.22
  5. Step 5: Solve for x
    x = 47,992,420,756.22/247,787.31
  6. Step 6: Final answer
    x = 193,683.93

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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.