Home / 133,031.32-199,580.10-39,534.52

Finding the Fourth Proportional to 133,031.32, 199,580.10 and 39,534.52

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Solution

The fourth proportional to 133,031.32, 199,580.10 and 39,534.52 is: 59,311.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,031.32 : 199,580.10 = 39,534.52 : x
  2. Step 2: Convert to fraction form
    133,031.32/199,580.10 = 39,534.52/x
  3. Step 3: Cross multiply
    133,031.32x = 199,580.10 × 39,534.52
  4. Step 4: Simplify right side
    133,031.32x = 7,890,303,455.05
  5. Step 5: Solve for x
    x = 7,890,303,455.05/133,031.32
  6. Step 6: Final answer
    x = 59,311.62

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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.