Home / 190,251.20-285,395.68-70,339.56

Finding the Fourth Proportional to 190,251.20, 285,395.68 and 70,339.56

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Solution

The fourth proportional to 190,251.20, 285,395.68 and 70,339.56 is: 105,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,251.20 : 285,395.68 = 70,339.56 : x
  2. Step 2: Convert to fraction form
    190,251.20/285,395.68 = 70,339.56/x
  3. Step 3: Cross multiply
    190,251.20x = 285,395.68 × 70,339.56
  4. Step 4: Simplify right side
    190,251.20x = 20,074,606,557.10
  5. Step 5: Solve for x
    x = 20,074,606,557.10/190,251.20
  6. Step 6: Final answer
    x = 105,516.32

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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.