Home / 109,211.76-163,788.12-46,867.68

Finding the Fourth Proportional to 109,211.76, 163,788.12 and 46,867.68

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Solution

The fourth proportional to 109,211.76, 163,788.12 and 46,867.68 is: 70,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,211.76 : 163,788.12 = 46,867.68 : x
  2. Step 2: Convert to fraction form
    109,211.76/163,788.12 = 46,867.68/x
  3. Step 3: Cross multiply
    109,211.76x = 163,788.12 × 46,867.68
  4. Step 4: Simplify right side
    109,211.76x = 7,676,369,195.96
  5. Step 5: Solve for x
    x = 7,676,369,195.96/109,211.76
  6. Step 6: Final answer
    x = 70,288.85

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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.