Home / 130,857.42-195,875.91-90,093.11

Finding the Fourth Proportional to 130,857.42, 195,875.91 and 90,093.11

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Solution

The fourth proportional to 130,857.42, 195,875.91 and 90,093.11 is: 134,857.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,857.42 : 195,875.91 = 90,093.11 : x
  2. Step 2: Convert to fraction form
    130,857.42/195,875.91 = 90,093.11/x
  3. Step 3: Cross multiply
    130,857.42x = 195,875.91 × 90,093.11
  4. Step 4: Simplify right side
    130,857.42x = 17,647,068,926.60
  5. Step 5: Solve for x
    x = 17,647,068,926.60/130,857.42
  6. Step 6: Final answer
    x = 134,857.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.