Home / 235,289.12-324,697.92-127,857.12

Finding the Fourth Proportional to 235,289.12, 324,697.92 and 127,857.12

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Solution

The fourth proportional to 235,289.12, 324,697.92 and 127,857.12 is: 176,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,289.12 : 324,697.92 = 127,857.12 : x
  2. Step 2: Convert to fraction form
    235,289.12/324,697.92 = 127,857.12/x
  3. Step 3: Cross multiply
    235,289.12x = 324,697.92 × 127,857.12
  4. Step 4: Simplify right side
    235,289.12x = 41,514,940,921.19
  5. Step 5: Solve for x
    x = 41,514,940,921.19/235,289.12
  6. Step 6: Final answer
    x = 176,442.25

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1.5x scale

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.