Home / 194,837.76-268,777.02-118,336.50

Finding the Fourth Proportional to 194,837.76, 268,777.02 and 118,336.50

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Solution

The fourth proportional to 194,837.76, 268,777.02 and 118,336.50 is: 163,244.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,837.76 : 268,777.02 = 118,336.50 : x
  2. Step 2: Convert to fraction form
    194,837.76/268,777.02 = 118,336.50/x
  3. Step 3: Cross multiply
    194,837.76x = 268,777.02 × 118,336.50
  4. Step 4: Simplify right side
    194,837.76x = 31,806,131,827.23
  5. Step 5: Solve for x
    x = 31,806,131,827.23/194,837.76
  6. Step 6: Final answer
    x = 163,244.19

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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.