Home / 188,153.35-282,279.21-109,191.67

Finding the Fourth Proportional to 188,153.35, 282,279.21 and 109,191.67

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Solution

The fourth proportional to 188,153.35, 282,279.21 and 109,191.67 is: 163,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,153.35 : 282,279.21 = 109,191.67 : x
  2. Step 2: Convert to fraction form
    188,153.35/282,279.21 = 109,191.67/x
  3. Step 3: Cross multiply
    188,153.35x = 282,279.21 × 109,191.67
  4. Step 4: Simplify right side
    188,153.35x = 30,822,538,346.18
  5. Step 5: Solve for x
    x = 30,822,538,346.18/188,153.35
  6. Step 6: Final answer
    x = 163,816.05

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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.