Home / 159,381.23-239,016.09-47,031.53

Finding the Fourth Proportional to 159,381.23, 239,016.09 and 47,031.53

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Solution

The fourth proportional to 159,381.23, 239,016.09 and 47,031.53 is: 70,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,381.23 : 239,016.09 = 47,031.53 : x
  2. Step 2: Convert to fraction form
    159,381.23/239,016.09 = 47,031.53/x
  3. Step 3: Cross multiply
    159,381.23x = 239,016.09 × 47,031.53
  4. Step 4: Simplify right side
    159,381.23x = 11,241,292,407.32
  5. Step 5: Solve for x
    x = 11,241,292,407.32/159,381.23
  6. Step 6: Final answer
    x = 70,530.84

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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.