Home / 163,257.48-225,282.96-91,623.69

Finding the Fourth Proportional to 163,257.48, 225,282.96 and 91,623.69

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Solution

The fourth proportional to 163,257.48, 225,282.96 and 91,623.69 is: 126,433.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,257.48 : 225,282.96 = 91,623.69 : x
  2. Step 2: Convert to fraction form
    163,257.48/225,282.96 = 91,623.69/x
  3. Step 3: Cross multiply
    163,257.48x = 225,282.96 × 91,623.69
  4. Step 4: Simplify right side
    163,257.48x = 20,641,256,089.32
  5. Step 5: Solve for x
    x = 20,641,256,089.32/163,257.48
  6. Step 6: Final answer
    x = 126,433.75

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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.