Home / 133,214.34-199,816.02-74,012.25

Finding the Fourth Proportional to 133,214.34, 199,816.02 and 74,012.25

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Solution

The fourth proportional to 133,214.34, 199,816.02 and 74,012.25 is: 111,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,214.34 : 199,816.02 = 74,012.25 : x
  2. Step 2: Convert to fraction form
    133,214.34/199,816.02 = 74,012.25/x
  3. Step 3: Cross multiply
    133,214.34x = 199,816.02 × 74,012.25
  4. Step 4: Simplify right side
    133,214.34x = 14,788,833,226.25
  5. Step 5: Solve for x
    x = 14,788,833,226.25/133,214.34
  6. Step 6: Final answer
    x = 111,015.32

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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.