Home / 188,288.48-259,916.64-134,595.20

Finding the Fourth Proportional to 188,288.48, 259,916.64 and 134,595.20

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Solution

The fourth proportional to 188,288.48, 259,916.64 and 134,595.20 is: 185,797.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,288.48 : 259,916.64 = 134,595.20 : x
  2. Step 2: Convert to fraction form
    188,288.48/259,916.64 = 134,595.20/x
  3. Step 3: Cross multiply
    188,288.48x = 259,916.64 × 134,595.20
  4. Step 4: Simplify right side
    188,288.48x = 34,983,532,144.13
  5. Step 5: Solve for x
    x = 34,983,532,144.13/188,288.48
  6. Step 6: Final answer
    x = 185,797.52

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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.