Home / 194,709.49-268,717.91-118,210.86

Finding the Fourth Proportional to 194,709.49, 268,717.91 and 118,210.86

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Solution

The fourth proportional to 194,709.49, 268,717.91 and 118,210.86 is: 163,142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,709.49 : 268,717.91 = 118,210.86 : x
  2. Step 2: Convert to fraction form
    194,709.49/268,717.91 = 118,210.86/x
  3. Step 3: Cross multiply
    194,709.49x = 268,717.91 × 118,210.86
  4. Step 4: Simplify right side
    194,709.49x = 31,765,374,647.45
  5. Step 5: Solve for x
    x = 31,765,374,647.45/194,709.49
  6. Step 6: Final answer
    x = 163,142.41

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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.