Home / 109,095.45-163,624.60-30,191.19

Finding the Fourth Proportional to 109,095.45, 163,624.60 and 30,191.19

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Solution

The fourth proportional to 109,095.45, 163,624.60 and 30,191.19 is: 45,281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,095.45 : 163,624.60 = 30,191.19 : x
  2. Step 2: Convert to fraction form
    109,095.45/163,624.60 = 30,191.19/x
  3. Step 3: Cross multiply
    109,095.45x = 163,624.60 × 30,191.19
  4. Step 4: Simplify right side
    109,095.45x = 4,940,021,387.27
  5. Step 5: Solve for x
    x = 4,940,021,387.27/109,095.45
  6. Step 6: Final answer
    x = 45,281.64

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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.