Home / 125,297.38-187,946.70-31,803.16

Finding the Fourth Proportional to 125,297.38, 187,946.70 and 31,803.16

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Solution

The fourth proportional to 125,297.38, 187,946.70 and 31,803.16 is: 47,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,297.38 : 187,946.70 = 31,803.16 : x
  2. Step 2: Convert to fraction form
    125,297.38/187,946.70 = 31,803.16/x
  3. Step 3: Cross multiply
    125,297.38x = 187,946.70 × 31,803.16
  4. Step 4: Simplify right side
    125,297.38x = 5,977,298,971.57
  5. Step 5: Solve for x
    x = 5,977,298,971.57/125,297.38
  6. Step 6: Final answer
    x = 47,704.90

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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.