Home / 188,148.08-259,644.36-112,740.24

Finding the Fourth Proportional to 188,148.08, 259,644.36 and 112,740.24

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Solution

The fourth proportional to 188,148.08, 259,644.36 and 112,740.24 is: 155,581.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,148.08 : 259,644.36 = 112,740.24 : x
  2. Step 2: Convert to fraction form
    188,148.08/259,644.36 = 112,740.24/x
  3. Step 3: Cross multiply
    188,148.08x = 259,644.36 × 112,740.24
  4. Step 4: Simplify right side
    188,148.08x = 29,272,367,461.05
  5. Step 5: Solve for x
    x = 29,272,367,461.05/188,148.08
  6. Step 6: Final answer
    x = 155,581.54

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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.