Home / 190,016.46-285,065.28-70,073.73

Finding the Fourth Proportional to 190,016.46, 285,065.28 and 70,073.73

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Solution

The fourth proportional to 190,016.46, 285,065.28 and 70,073.73 is: 105,125.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,016.46 : 285,065.28 = 70,073.73 : x
  2. Step 2: Convert to fraction form
    190,016.46/285,065.28 = 70,073.73/x
  3. Step 3: Cross multiply
    190,016.46x = 285,065.28 × 70,073.73
  4. Step 4: Simplify right side
    190,016.46x = 19,975,587,463.09
  5. Step 5: Solve for x
    x = 19,975,587,463.09/190,016.46
  6. Step 6: Final answer
    x = 105,125.56

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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.