Home / 213,318.54-294,436.35-132,700.32

Finding the Fourth Proportional to 213,318.54, 294,436.35 and 132,700.32

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Solution

The fourth proportional to 213,318.54, 294,436.35 and 132,700.32 is: 183,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,318.54 : 294,436.35 = 132,700.32 : x
  2. Step 2: Convert to fraction form
    213,318.54/294,436.35 = 132,700.32/x
  3. Step 3: Cross multiply
    213,318.54x = 294,436.35 × 132,700.32
  4. Step 4: Simplify right side
    213,318.54x = 39,071,797,864.63
  5. Step 5: Solve for x
    x = 39,071,797,864.63/213,318.54
  6. Step 6: Final answer
    x = 183,161.75

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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.