Home / 154,267.68-231,426.16-47,626.56

Finding the Fourth Proportional to 154,267.68, 231,426.16 and 47,626.56

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Solution

The fourth proportional to 154,267.68, 231,426.16 and 47,626.56 is: 71,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,267.68 : 231,426.16 = 47,626.56 : x
  2. Step 2: Convert to fraction form
    154,267.68/231,426.16 = 47,626.56/x
  3. Step 3: Cross multiply
    154,267.68x = 231,426.16 × 47,626.56
  4. Step 4: Simplify right side
    154,267.68x = 11,022,031,894.81
  5. Step 5: Solve for x
    x = 11,022,031,894.81/154,267.68
  6. Step 6: Final answer
    x = 71,447.45

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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.