Home / 268,235.50-370,171.65-147,384.61

Finding the Fourth Proportional to 268,235.50, 370,171.65 and 147,384.61

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Solution

The fourth proportional to 268,235.50, 370,171.65 and 147,384.61 is: 203,394.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,235.50 : 370,171.65 = 147,384.61 : x
  2. Step 2: Convert to fraction form
    268,235.50/370,171.65 = 147,384.61/x
  3. Step 3: Cross multiply
    268,235.50x = 370,171.65 × 147,384.61
  4. Step 4: Simplify right side
    268,235.50x = 54,557,604,268.31
  5. Step 5: Solve for x
    x = 54,557,604,268.31/268,235.50
  6. Step 6: Final answer
    x = 203,394.42

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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.