Home / 194,821.61-268,754.76-118,320.35

Finding the Fourth Proportional to 194,821.61, 268,754.76 and 118,320.35

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Solution

The fourth proportional to 194,821.61, 268,754.76 and 118,320.35 is: 163,221.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,821.61 : 268,754.76 = 118,320.35 : x
  2. Step 2: Convert to fraction form
    194,821.61/268,754.76 = 118,320.35/x
  3. Step 3: Cross multiply
    194,821.61x = 268,754.76 × 118,320.35
  4. Step 4: Simplify right side
    194,821.61x = 31,799,155,923.59
  5. Step 5: Solve for x
    x = 31,799,155,923.59/194,821.61
  6. Step 6: Final answer
    x = 163,221.92

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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.