Home / 188,154.35-282,280.71-109,192.67

Finding the Fourth Proportional to 188,154.35, 282,280.71 and 109,192.67

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Solution

The fourth proportional to 188,154.35, 282,280.71 and 109,192.67 is: 163,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,154.35 : 282,280.71 = 109,192.67 : x
  2. Step 2: Convert to fraction form
    188,154.35/282,280.71 = 109,192.67/x
  3. Step 3: Cross multiply
    188,154.35x = 282,280.71 × 109,192.67
  4. Step 4: Simplify right side
    188,154.35x = 30,822,984,414.40
  5. Step 5: Solve for x
    x = 30,822,984,414.40/188,154.35
  6. Step 6: Final answer
    x = 163,817.55

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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.