Home / 158,652.11-237,853.33-78,635.05

Finding the Fourth Proportional to 158,652.11, 237,853.33 and 78,635.05

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Solution

The fourth proportional to 158,652.11, 237,853.33 and 78,635.05 is: 117,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,652.11 : 237,853.33 = 78,635.05 : x
  2. Step 2: Convert to fraction form
    158,652.11/237,853.33 = 78,635.05/x
  3. Step 3: Cross multiply
    158,652.11x = 237,853.33 × 78,635.05
  4. Step 4: Simplify right side
    158,652.11x = 18,703,607,706.00
  5. Step 5: Solve for x
    x = 18,703,607,706.00/158,652.11
  6. Step 6: Final answer
    x = 117,890.69

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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.