Home / 194,384.64-268,340.86-137,070.66

Finding the Fourth Proportional to 194,384.64, 268,340.86 and 137,070.66

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Solution

The fourth proportional to 194,384.64, 268,340.86 and 137,070.66 is: 189,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,384.64 : 268,340.86 = 137,070.66 : x
  2. Step 2: Convert to fraction form
    194,384.64/268,340.86 = 137,070.66/x
  3. Step 3: Cross multiply
    194,384.64x = 268,340.86 × 137,070.66
  4. Step 4: Simplify right side
    194,384.64x = 36,781,658,785.17
  5. Step 5: Solve for x
    x = 36,781,658,785.17/194,384.64
  6. Step 6: Final answer
    x = 189,221.01

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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.