Home / 154,616.20-213,367.26-86,632.36

Finding the Fourth Proportional to 154,616.20, 213,367.26 and 86,632.36

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Solution

The fourth proportional to 154,616.20, 213,367.26 and 86,632.36 is: 119,550.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,616.20 : 213,367.26 = 86,632.36 : x
  2. Step 2: Convert to fraction form
    154,616.20/213,367.26 = 86,632.36/x
  3. Step 3: Cross multiply
    154,616.20x = 213,367.26 × 86,632.36
  4. Step 4: Simplify right side
    154,616.20x = 18,484,509,280.53
  5. Step 5: Solve for x
    x = 18,484,509,280.53/154,616.20
  6. Step 6: Final answer
    x = 119,550.92

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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.