Home / 148,592.96-204,882.72-121,636.16

Finding the Fourth Proportional to 148,592.96, 204,882.72 and 121,636.16

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Solution

The fourth proportional to 148,592.96, 204,882.72 and 121,636.16 is: 167,714.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,592.96 : 204,882.72 = 121,636.16 : x
  2. Step 2: Convert to fraction form
    148,592.96/204,882.72 = 121,636.16/x
  3. Step 3: Cross multiply
    148,592.96x = 204,882.72 × 121,636.16
  4. Step 4: Simplify right side
    148,592.96x = 24,921,147,311.16
  5. Step 5: Solve for x
    x = 24,921,147,311.16/148,592.96
  6. Step 6: Final answer
    x = 167,714.19

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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.