Home / 154,623.17-231,941.75-42,300.88

Finding the Fourth Proportional to 154,623.17, 231,941.75 and 42,300.88

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Solution

The fourth proportional to 154,623.17, 231,941.75 and 42,300.88 is: 63,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,623.17 : 231,941.75 = 42,300.88 : x
  2. Step 2: Convert to fraction form
    154,623.17/231,941.75 = 42,300.88/x
  3. Step 3: Cross multiply
    154,623.17x = 231,941.75 × 42,300.88
  4. Step 4: Simplify right side
    154,623.17x = 9,811,339,342.38
  5. Step 5: Solve for x
    x = 9,811,339,342.38/154,623.17
  6. Step 6: Final answer
    x = 63,453.23

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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.