Home / 133,294.03-199,089.80-120,624.13

Finding the Fourth Proportional to 133,294.03, 199,089.80 and 120,624.13

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Solution

The fourth proportional to 133,294.03, 199,089.80 and 120,624.13 is: 180,165.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,294.03 : 199,089.80 = 120,624.13 : x
  2. Step 2: Convert to fraction form
    133,294.03/199,089.80 = 120,624.13/x
  3. Step 3: Cross multiply
    133,294.03x = 199,089.80 × 120,624.13
  4. Step 4: Simplify right side
    133,294.03x = 24,015,033,916.87
  5. Step 5: Solve for x
    x = 24,015,033,916.87/133,294.03
  6. Step 6: Final answer
    x = 180,165.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.