Home / 133,583.52-199,986.08-70,253.40

Finding the Fourth Proportional to 133,583.52, 199,986.08 and 70,253.40

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Solution

The fourth proportional to 133,583.52, 199,986.08 and 70,253.40 is: 105,175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,583.52 : 199,986.08 = 70,253.40 : x
  2. Step 2: Convert to fraction form
    133,583.52/199,986.08 = 70,253.40/x
  3. Step 3: Cross multiply
    133,583.52x = 199,986.08 × 70,253.40
  4. Step 4: Simplify right side
    133,583.52x = 14,049,702,072.67
  5. Step 5: Solve for x
    x = 14,049,702,072.67/133,583.52
  6. Step 6: Final answer
    x = 105,175.41

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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.