Home / 143,496.32-198,031.36-119,582.96

Finding the Fourth Proportional to 143,496.32, 198,031.36 and 119,582.96

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Solution

The fourth proportional to 143,496.32, 198,031.36 and 119,582.96 is: 165,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,496.32 : 198,031.36 = 119,582.96 : x
  2. Step 2: Convert to fraction form
    143,496.32/198,031.36 = 119,582.96/x
  3. Step 3: Cross multiply
    143,496.32x = 198,031.36 × 119,582.96
  4. Step 4: Simplify right side
    143,496.32x = 23,681,176,201.63
  5. Step 5: Solve for x
    x = 23,681,176,201.63/143,496.32
  6. Step 6: Final answer
    x = 165,029.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.