Home / 235,109.20-324,449.70-127,678.36

Finding the Fourth Proportional to 235,109.20, 324,449.70 and 127,678.36

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Solution

The fourth proportional to 235,109.20, 324,449.70 and 127,678.36 is: 176,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,109.20 : 324,449.70 = 127,678.36 : x
  2. Step 2: Convert to fraction form
    235,109.20/324,449.70 = 127,678.36/x
  3. Step 3: Cross multiply
    235,109.20x = 324,449.70 × 127,678.36
  4. Step 4: Simplify right side
    235,109.20x = 41,425,205,598.49
  5. Step 5: Solve for x
    x = 41,425,205,598.49/235,109.20
  6. Step 6: Final answer
    x = 176,195.60

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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.