Home / 156,167.72-234,347.93-61,381.25

Finding the Fourth Proportional to 156,167.72, 234,347.93 and 61,381.25

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Solution

The fourth proportional to 156,167.72, 234,347.93 and 61,381.25 is: 92,109.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,167.72 : 234,347.93 = 61,381.25 : x
  2. Step 2: Convert to fraction form
    156,167.72/234,347.93 = 61,381.25/x
  3. Step 3: Cross multiply
    156,167.72x = 234,347.93 × 61,381.25
  4. Step 4: Simplify right side
    156,167.72x = 14,384,568,878.31
  5. Step 5: Solve for x
    x = 14,384,568,878.31/156,167.72
  6. Step 6: Final answer
    x = 92,109.75

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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.