Home / 279,904.54-386,030.55-236,509.69

Finding the Fourth Proportional to 279,904.54, 386,030.55 and 236,509.69

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Solution

The fourth proportional to 279,904.54, 386,030.55 and 236,509.69 is: 326,182.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,904.54 : 386,030.55 = 236,509.69 : x
  2. Step 2: Convert to fraction form
    279,904.54/386,030.55 = 236,509.69/x
  3. Step 3: Cross multiply
    279,904.54x = 386,030.55 × 236,509.69
  4. Step 4: Simplify right side
    279,904.54x = 91,299,965,711.03
  5. Step 5: Solve for x
    x = 91,299,965,711.03/279,904.54
  6. Step 6: Final answer
    x = 326,182.51

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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.