Home / 188,354.16-259,973.60-107,828.24

Finding the Fourth Proportional to 188,354.16, 259,973.60 and 107,828.24

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Solution

The fourth proportional to 188,354.16, 259,973.60 and 107,828.24 is: 148,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,354.16 : 259,973.60 = 107,828.24 : x
  2. Step 2: Convert to fraction form
    188,354.16/259,973.60 = 107,828.24/x
  3. Step 3: Cross multiply
    188,354.16x = 259,973.60 × 107,828.24
  4. Step 4: Simplify right side
    188,354.16x = 28,032,495,734.46
  5. Step 5: Solve for x
    x = 28,032,495,734.46/188,354.16
  6. Step 6: Final answer
    x = 148,828.65

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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.