Home / 321,895.64-444,113.28-185,911.76

Finding the Fourth Proportional to 321,895.64, 444,113.28 and 185,911.76

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Solution

The fourth proportional to 321,895.64, 444,113.28 and 185,911.76 is: 256,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,895.64 : 444,113.28 = 185,911.76 : x
  2. Step 2: Convert to fraction form
    321,895.64/444,113.28 = 185,911.76/x
  3. Step 3: Cross multiply
    321,895.64x = 444,113.28 × 185,911.76
  4. Step 4: Simplify right side
    321,895.64x = 82,565,881,524.17
  5. Step 5: Solve for x
    x = 82,565,881,524.17/321,895.64
  6. Step 6: Final answer
    x = 256,498.91

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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.