Home / 188,503.16-260,136.20-102,462.52

Finding the Fourth Proportional to 188,503.16, 260,136.20 and 102,462.52

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Solution

The fourth proportional to 188,503.16, 260,136.20 and 102,462.52 is: 141,399.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,503.16 : 260,136.20 = 102,462.52 : x
  2. Step 2: Convert to fraction form
    188,503.16/260,136.20 = 102,462.52/x
  3. Step 3: Cross multiply
    188,503.16x = 260,136.20 × 102,462.52
  4. Step 4: Simplify right side
    188,503.16x = 26,654,210,595.22
  5. Step 5: Solve for x
    x = 26,654,210,595.22/188,503.16
  6. Step 6: Final answer
    x = 141,399.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.