Home / 93,412.20-140,118.30-86,195.10

Finding the Fourth Proportional to 93,412.20, 140,118.30 and 86,195.10

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Solution

The fourth proportional to 93,412.20, 140,118.30 and 86,195.10 is: 129,292.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,412.20 : 140,118.30 = 86,195.10 : x
  2. Step 2: Convert to fraction form
    93,412.20/140,118.30 = 86,195.10/x
  3. Step 3: Cross multiply
    93,412.20x = 140,118.30 × 86,195.10
  4. Step 4: Simplify right side
    93,412.20x = 12,077,510,880.33
  5. Step 5: Solve for x
    x = 12,077,510,880.33/93,412.20
  6. Step 6: Final answer
    x = 129,292.65

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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.