Home / 122,202.80-183,304.20-113,345.45

Finding the Fourth Proportional to 122,202.80, 183,304.20 and 113,345.45

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Solution

The fourth proportional to 122,202.80, 183,304.20 and 113,345.45 is: 170,018.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,202.80 : 183,304.20 = 113,345.45 : x
  2. Step 2: Convert to fraction form
    122,202.80/183,304.20 = 113,345.45/x
  3. Step 3: Cross multiply
    122,202.80x = 183,304.20 × 113,345.45
  4. Step 4: Simplify right side
    122,202.80x = 20,776,697,035.89
  5. Step 5: Solve for x
    x = 20,776,697,035.89/122,202.80
  6. Step 6: Final answer
    x = 170,018.18

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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.