Home / 133,071.30-199,315.35-118,296.90

Finding the Fourth Proportional to 133,071.30, 199,315.35 and 118,296.90

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Solution

The fourth proportional to 133,071.30, 199,315.35 and 118,296.90 is: 177,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,071.30 : 199,315.35 = 118,296.90 : x
  2. Step 2: Convert to fraction form
    133,071.30/199,315.35 = 118,296.90/x
  3. Step 3: Cross multiply
    133,071.30x = 199,315.35 × 118,296.90
  4. Step 4: Simplify right side
    133,071.30x = 23,578,388,027.42
  5. Step 5: Solve for x
    x = 23,578,388,027.42/133,071.30
  6. Step 6: Final answer
    x = 177,186.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.