Home / 154,323.85-231,507.95-47,716.11

Finding the Fourth Proportional to 154,323.85, 231,507.95 and 47,716.11

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Solution

The fourth proportional to 154,323.85, 231,507.95 and 47,716.11 is: 71,581.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,323.85 : 231,507.95 = 47,716.11 : x
  2. Step 2: Convert to fraction form
    154,323.85/231,507.95 = 47,716.11/x
  3. Step 3: Cross multiply
    154,323.85x = 231,507.95 × 47,716.11
  4. Step 4: Simplify right side
    154,323.85x = 11,046,658,808.07
  5. Step 5: Solve for x
    x = 11,046,658,808.07/154,323.85
  6. Step 6: Final answer
    x = 71,581.02

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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.