Home / 112,291.68-168,353.22-67,909.32

Finding the Fourth Proportional to 112,291.68, 168,353.22 and 67,909.32

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Solution

The fourth proportional to 112,291.68, 168,353.22 and 67,909.32 is: 101,813.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,291.68 : 168,353.22 = 67,909.32 : x
  2. Step 2: Convert to fraction form
    112,291.68/168,353.22 = 67,909.32/x
  3. Step 3: Cross multiply
    112,291.68x = 168,353.22 × 67,909.32
  4. Step 4: Simplify right side
    112,291.68x = 11,432,752,690.01
  5. Step 5: Solve for x
    x = 11,432,752,690.01/112,291.68
  6. Step 6: Final answer
    x = 101,813.00

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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.