Home / 133,071.63-199,711.73-92,828.86

Finding the Fourth Proportional to 133,071.63, 199,711.73 and 92,828.86

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Solution

The fourth proportional to 133,071.63, 199,711.73 and 92,828.86 is: 139,316.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,071.63 : 199,711.73 = 92,828.86 : x
  2. Step 2: Convert to fraction form
    133,071.63/199,711.73 = 92,828.86/x
  3. Step 3: Cross multiply
    133,071.63x = 199,711.73 × 92,828.86
  4. Step 4: Simplify right side
    133,071.63x = 18,539,010,979.46
  5. Step 5: Solve for x
    x = 18,539,010,979.46/133,071.63
  6. Step 6: Final answer
    x = 139,316.03

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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.