Home / 163,188.46-225,188.26-90,595.25

Finding the Fourth Proportional to 163,188.46, 225,188.26 and 90,595.25

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Solution

The fourth proportional to 163,188.46, 225,188.26 and 90,595.25 is: 125,014.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,188.46 : 225,188.26 = 90,595.25 : x
  2. Step 2: Convert to fraction form
    163,188.46/225,188.26 = 90,595.25/x
  3. Step 3: Cross multiply
    163,188.46x = 225,188.26 × 90,595.25
  4. Step 4: Simplify right side
    163,188.46x = 20,400,986,711.77
  5. Step 5: Solve for x
    x = 20,400,986,711.77/163,188.46
  6. Step 6: Final answer
    x = 125,014.89

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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.