Home / 265,189.26-397,612.45-113,485.38

Finding the Fourth Proportional to 265,189.26, 397,612.45 and 113,485.38

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Solution

The fourth proportional to 265,189.26, 397,612.45 and 113,485.38 is: 170,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,189.26 : 397,612.45 = 113,485.38 : x
  2. Step 2: Convert to fraction form
    265,189.26/397,612.45 = 113,485.38/x
  3. Step 3: Cross multiply
    265,189.26x = 397,612.45 × 113,485.38
  4. Step 4: Simplify right side
    265,189.26x = 45,123,199,980.98
  5. Step 5: Solve for x
    x = 45,123,199,980.98/265,189.26
  6. Step 6: Final answer
    x = 170,154.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.