Home / 235,412.06-324,864.78-127,984.80

Finding the Fourth Proportional to 235,412.06, 324,864.78 and 127,984.80

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Solution

The fourth proportional to 235,412.06, 324,864.78 and 127,984.80 is: 176,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,412.06 : 324,864.78 = 127,984.80 : x
  2. Step 2: Convert to fraction form
    235,412.06/324,864.78 = 127,984.80/x
  3. Step 3: Cross multiply
    235,412.06x = 324,864.78 × 127,984.80
  4. Step 4: Simplify right side
    235,412.06x = 41,577,753,895.34
  5. Step 5: Solve for x
    x = 41,577,753,895.34/235,412.06
  6. Step 6: Final answer
    x = 176,616.93

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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.