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Finding the Fourth Proportional to 190,808.64, 286,219.03 and 95,987

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Solution

The fourth proportional to 190,808.64, 286,219.03 and 95,987 is: 143,983.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,808.64 : 286,219.03 = 95,987 : x
  2. Step 2: Convert to fraction form
    190,808.64/286,219.03 = 95,987/x
  3. Step 3: Cross multiply
    190,808.64x = 286,219.03 × 95,987
  4. Step 4: Simplify right side
    190,808.64x = 27,473,306,032.61
  5. Step 5: Solve for x
    x = 27,473,306,032.61/190,808.64
  6. Step 6: Final answer
    x = 143,983.55

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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.