Home / 142,530.22-214,011.20-113,185.95

Finding the Fourth Proportional to 142,530.22, 214,011.20 and 113,185.95

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Solution

The fourth proportional to 142,530.22, 214,011.20 and 113,185.95 is: 169,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,530.22 : 214,011.20 = 113,185.95 : x
  2. Step 2: Convert to fraction form
    142,530.22/214,011.20 = 113,185.95/x
  3. Step 3: Cross multiply
    142,530.22x = 214,011.20 × 113,185.95
  4. Step 4: Simplify right side
    142,530.22x = 24,223,060,982.64
  5. Step 5: Solve for x
    x = 24,223,060,982.64/142,530.22
  6. Step 6: Final answer
    x = 169,950.35

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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.