Home / 194,915.19-268,987.38-114,400.77

Finding the Fourth Proportional to 194,915.19, 268,987.38 and 114,400.77

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Solution

The fourth proportional to 194,915.19, 268,987.38 and 114,400.77 is: 157,875.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,915.19 : 268,987.38 = 114,400.77 : x
  2. Step 2: Convert to fraction form
    194,915.19/268,987.38 = 114,400.77/x
  3. Step 3: Cross multiply
    194,915.19x = 268,987.38 × 114,400.77
  4. Step 4: Simplify right side
    194,915.19x = 30,772,363,392.28
  5. Step 5: Solve for x
    x = 30,772,363,392.28/194,915.19
  6. Step 6: Final answer
    x = 157,875.66

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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.