Home / 135,438.48-186,812.24-92,923.20

Finding the Fourth Proportional to 135,438.48, 186,812.24 and 92,923.20

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Solution

The fourth proportional to 135,438.48, 186,812.24 and 92,923.20 is: 128,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,438.48 : 186,812.24 = 92,923.20 : x
  2. Step 2: Convert to fraction form
    135,438.48/186,812.24 = 92,923.20/x
  3. Step 3: Cross multiply
    135,438.48x = 186,812.24 × 92,923.20
  4. Step 4: Simplify right side
    135,438.48x = 17,359,190,675.35
  5. Step 5: Solve for x
    x = 17,359,190,675.35/135,438.48
  6. Step 6: Final answer
    x = 128,170.30

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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.