Home / 239,601.74-330,756.65-154,760.18

Finding the Fourth Proportional to 239,601.74, 330,756.65 and 154,760.18

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Solution

The fourth proportional to 239,601.74, 330,756.65 and 154,760.18 is: 213,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,601.74 : 330,756.65 = 154,760.18 : x
  2. Step 2: Convert to fraction form
    239,601.74/330,756.65 = 154,760.18/x
  3. Step 3: Cross multiply
    239,601.74x = 330,756.65 × 154,760.18
  4. Step 4: Simplify right side
    239,601.74x = 51,187,958,690.20
  5. Step 5: Solve for x
    x = 51,187,958,690.20/239,601.74
  6. Step 6: Final answer
    x = 213,637.68

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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.