Home / 143,011.50-196,656.03-124,115.82

Finding the Fourth Proportional to 143,011.50, 196,656.03 and 124,115.82

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Solution

The fourth proportional to 143,011.50, 196,656.03 and 124,115.82 is: 170,672.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,011.50 : 196,656.03 = 124,115.82 : x
  2. Step 2: Convert to fraction form
    143,011.50/196,656.03 = 124,115.82/x
  3. Step 3: Cross multiply
    143,011.50x = 196,656.03 × 124,115.82
  4. Step 4: Simplify right side
    143,011.50x = 24,408,124,421.39
  5. Step 5: Solve for x
    x = 24,408,124,421.39/143,011.50
  6. Step 6: Final answer
    x = 170,672.46

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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.