Home / 251,140.26-376,390.02-117,726.60

Finding the Fourth Proportional to 251,140.26, 376,390.02 and 117,726.60

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Solution

The fourth proportional to 251,140.26, 376,390.02 and 117,726.60 is: 176,439.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,140.26 : 376,390.02 = 117,726.60 : x
  2. Step 2: Convert to fraction form
    251,140.26/376,390.02 = 117,726.60/x
  3. Step 3: Cross multiply
    251,140.26x = 376,390.02 × 117,726.60
  4. Step 4: Simplify right side
    251,140.26x = 44,311,117,328.53
  5. Step 5: Solve for x
    x = 44,311,117,328.53/251,140.26
  6. Step 6: Final answer
    x = 176,439.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.