Home / 162,525.60-224,286.75-90,912.28

Finding the Fourth Proportional to 162,525.60, 224,286.75 and 90,912.28

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Solution

The fourth proportional to 162,525.60, 224,286.75 and 90,912.28 is: 125,459.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,525.60 : 224,286.75 = 90,912.28 : x
  2. Step 2: Convert to fraction form
    162,525.60/224,286.75 = 90,912.28/x
  3. Step 3: Cross multiply
    162,525.60x = 224,286.75 × 90,912.28
  4. Step 4: Simplify right side
    162,525.60x = 20,390,419,816.29
  5. Step 5: Solve for x
    x = 20,390,419,816.29/162,525.60
  6. Step 6: Final answer
    x = 125,459.74

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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.