Home / 235,107.24-324,449.20-127,678.16

Finding the Fourth Proportional to 235,107.24, 324,449.20 and 127,678.16

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Solution

The fourth proportional to 235,107.24, 324,449.20 and 127,678.16 is: 176,196.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,107.24 : 324,449.20 = 127,678.16 : x
  2. Step 2: Convert to fraction form
    235,107.24/324,449.20 = 127,678.16/x
  3. Step 3: Cross multiply
    235,107.24x = 324,449.20 × 127,678.16
  4. Step 4: Simplify right side
    235,107.24x = 41,425,076,869.47
  5. Step 5: Solve for x
    x = 41,425,076,869.47/235,107.24
  6. Step 6: Final answer
    x = 176,196.52

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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.