Home / 107,235.16-160,817.52-36,138.72

Finding the Fourth Proportional to 107,235.16, 160,817.52 and 36,138.72

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Solution

The fourth proportional to 107,235.16, 160,817.52 and 36,138.72 is: 54,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,235.16 : 160,817.52 = 36,138.72 : x
  2. Step 2: Convert to fraction form
    107,235.16/160,817.52 = 36,138.72/x
  3. Step 3: Cross multiply
    107,235.16x = 160,817.52 × 36,138.72
  4. Step 4: Simplify right side
    107,235.16x = 5,811,739,326.37
  5. Step 5: Solve for x
    x = 5,811,739,326.37/107,235.16
  6. Step 6: Final answer
    x = 54,196.21

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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.