Home / 111,125.90-166,708.30-36,225.20

Finding the Fourth Proportional to 111,125.90, 166,708.30 and 36,225.20

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Solution

The fourth proportional to 111,125.90, 166,708.30 and 36,225.20 is: 54,344.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,125.90 : 166,708.30 = 36,225.20 : x
  2. Step 2: Convert to fraction form
    111,125.90/166,708.30 = 36,225.20/x
  3. Step 3: Cross multiply
    111,125.90x = 166,708.30 × 36,225.20
  4. Step 4: Simplify right side
    111,125.90x = 6,039,041,509.16
  5. Step 5: Solve for x
    x = 6,039,041,509.16/111,125.90
  6. Step 6: Final answer
    x = 54,344.14

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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.