Home / 140,808.24-194,317.38-84,208.68

Finding the Fourth Proportional to 140,808.24, 194,317.38 and 84,208.68

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Solution

The fourth proportional to 140,808.24, 194,317.38 and 84,208.68 is: 116,209.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,808.24 : 194,317.38 = 84,208.68 : x
  2. Step 2: Convert to fraction form
    140,808.24/194,317.38 = 84,208.68/x
  3. Step 3: Cross multiply
    140,808.24x = 194,317.38 × 84,208.68
  4. Step 4: Simplify right side
    140,808.24x = 16,363,210,070.86
  5. Step 5: Solve for x
    x = 16,363,210,070.86/140,808.24
  6. Step 6: Final answer
    x = 116,209.18

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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.