Home / 190,252.20-285,397.18-70,340.56

Finding the Fourth Proportional to 190,252.20, 285,397.18 and 70,340.56

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Solution

The fourth proportional to 190,252.20, 285,397.18 and 70,340.56 is: 105,517.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,252.20 : 285,397.18 = 70,340.56 : x
  2. Step 2: Convert to fraction form
    190,252.20/285,397.18 = 70,340.56/x
  3. Step 3: Cross multiply
    190,252.20x = 285,397.18 × 70,340.56
  4. Step 4: Simplify right side
    190,252.20x = 20,074,997,463.62
  5. Step 5: Solve for x
    x = 20,074,997,463.62/190,252.20
  6. Step 6: Final answer
    x = 105,517.82

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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.