Home / 125,160.23-187,741.53-30,391.26

Finding the Fourth Proportional to 125,160.23, 187,741.53 and 30,391.26

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Solution

The fourth proportional to 125,160.23, 187,741.53 and 30,391.26 is: 45,587.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,160.23 : 187,741.53 = 30,391.26 : x
  2. Step 2: Convert to fraction form
    125,160.23/187,741.53 = 30,391.26/x
  3. Step 3: Cross multiply
    125,160.23x = 187,741.53 × 30,391.26
  4. Step 4: Simplify right side
    125,160.23x = 5,705,701,651.03
  5. Step 5: Solve for x
    x = 5,705,701,651.03/125,160.23
  6. Step 6: Final answer
    x = 45,587.18

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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.