Home / 131,787.10-197,680.65-96,795.10

Finding the Fourth Proportional to 131,787.10, 197,680.65 and 96,795.10

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Solution

The fourth proportional to 131,787.10, 197,680.65 and 96,795.10 is: 145,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,787.10 : 197,680.65 = 96,795.10 : x
  2. Step 2: Convert to fraction form
    131,787.10/197,680.65 = 96,795.10/x
  3. Step 3: Cross multiply
    131,787.10x = 197,680.65 × 96,795.10
  4. Step 4: Simplify right side
    131,787.10x = 19,134,518,284.82
  5. Step 5: Solve for x
    x = 19,134,518,284.82/131,787.10
  6. Step 6: Final answer
    x = 145,192.65

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1.5x scale

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.