Home / 154,936.71-232,406.08-42,628.79

Finding the Fourth Proportional to 154,936.71, 232,406.08 and 42,628.79

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Solution

The fourth proportional to 154,936.71, 232,406.08 and 42,628.79 is: 63,943.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,936.71 : 232,406.08 = 42,628.79 : x
  2. Step 2: Convert to fraction form
    154,936.71/232,406.08 = 42,628.79/x
  3. Step 3: Cross multiply
    154,936.71x = 232,406.08 × 42,628.79
  4. Step 4: Simplify right side
    154,936.71x = 9,907,189,979.04
  5. Step 5: Solve for x
    x = 9,907,189,979.04/154,936.71
  6. Step 6: Final answer
    x = 63,943.46

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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.