Home / 235,112.20-324,453.84-127,681.36

Finding the Fourth Proportional to 235,112.20, 324,453.84 and 127,681.36

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Solution

The fourth proportional to 235,112.20, 324,453.84 and 127,681.36 is: 176,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,112.20 : 324,453.84 = 127,681.36 : x
  2. Step 2: Convert to fraction form
    235,112.20/324,453.84 = 127,681.36/x
  3. Step 3: Cross multiply
    235,112.20x = 324,453.84 × 127,681.36
  4. Step 4: Simplify right side
    235,112.20x = 41,426,707,548.42
  5. Step 5: Solve for x
    x = 41,426,707,548.42/235,112.20
  6. Step 6: Final answer
    x = 176,199.74

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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.