Home / 251,928.27-347,685.56-188,155.35

Finding the Fourth Proportional to 251,928.27, 347,685.56 and 188,155.35

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Solution

The fourth proportional to 251,928.27, 347,685.56 and 188,155.35 is: 259,672.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,928.27 : 347,685.56 = 188,155.35 : x
  2. Step 2: Convert to fraction form
    251,928.27/347,685.56 = 188,155.35/x
  3. Step 3: Cross multiply
    251,928.27x = 347,685.56 × 188,155.35
  4. Step 4: Simplify right side
    251,928.27x = 65,418,896,963.71
  5. Step 5: Solve for x
    x = 65,418,896,963.71/251,928.27
  6. Step 6: Final answer
    x = 259,672.72

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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.