Home / 140,213.05-193,497.32-76,551.30

Finding the Fourth Proportional to 140,213.05, 193,497.32 and 76,551.30

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Solution

The fourth proportional to 140,213.05, 193,497.32 and 76,551.30 is: 105,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,213.05 : 193,497.32 = 76,551.30 : x
  2. Step 2: Convert to fraction form
    140,213.05/193,497.32 = 76,551.30/x
  3. Step 3: Cross multiply
    140,213.05x = 193,497.32 × 76,551.30
  4. Step 4: Simplify right side
    140,213.05x = 14,812,471,583.89
  5. Step 5: Solve for x
    x = 14,812,471,583.89/140,213.05
  6. Step 6: Final answer
    x = 105,642.60

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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.