Home / 235,488.72-324,975.96-128,059.92

Finding the Fourth Proportional to 235,488.72, 324,975.96 and 128,059.92

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Solution

The fourth proportional to 235,488.72, 324,975.96 and 128,059.92 is: 176,723.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,488.72 : 324,975.96 = 128,059.92 : x
  2. Step 2: Convert to fraction form
    235,488.72/324,975.96 = 128,059.92/x
  3. Step 3: Cross multiply
    235,488.72x = 324,975.96 × 128,059.92
  4. Step 4: Simplify right side
    235,488.72x = 41,616,395,439.52
  5. Step 5: Solve for x
    x = 41,616,395,439.52/235,488.72
  6. Step 6: Final answer
    x = 176,723.52

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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.