Home / 154,349.42-231,528.20-42,031.94

Finding the Fourth Proportional to 154,349.42, 231,528.20 and 42,031.94

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Solution

The fourth proportional to 154,349.42, 231,528.20 and 42,031.94 is: 63,049.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,349.42 : 231,528.20 = 42,031.94 : x
  2. Step 2: Convert to fraction form
    154,349.42/231,528.20 = 42,031.94/x
  3. Step 3: Cross multiply
    154,349.42x = 231,528.20 × 42,031.94
  4. Step 4: Simplify right side
    154,349.42x = 9,731,578,812.30
  5. Step 5: Solve for x
    x = 9,731,578,812.30/154,349.42
  6. Step 6: Final answer
    x = 63,049.01

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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.