Home / 247,784.15-341,913.11-145,787.19

Finding the Fourth Proportional to 247,784.15, 341,913.11 and 145,787.19

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Solution

The fourth proportional to 247,784.15, 341,913.11 and 145,787.19 is: 201,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,784.15 : 341,913.11 = 145,787.19 : x
  2. Step 2: Convert to fraction form
    247,784.15/341,913.11 = 145,787.19/x
  3. Step 3: Cross multiply
    247,784.15x = 341,913.11 × 145,787.19
  4. Step 4: Simplify right side
    247,784.15x = 49,846,550,802.12
  5. Step 5: Solve for x
    x = 49,846,550,802.12/247,784.15
  6. Step 6: Final answer
    x = 201,169.25

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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.