Home / 209,620.74-289,281.84-114,132.67

Finding the Fourth Proportional to 209,620.74, 289,281.84 and 114,132.67

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Solution

The fourth proportional to 209,620.74, 289,281.84 and 114,132.67 is: 157,505.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,620.74 : 289,281.84 = 114,132.67 : x
  2. Step 2: Convert to fraction form
    209,620.74/289,281.84 = 114,132.67/x
  3. Step 3: Cross multiply
    209,620.74x = 289,281.84 × 114,132.67
  4. Step 4: Simplify right side
    209,620.74x = 33,016,508,781.71
  5. Step 5: Solve for x
    x = 33,016,508,781.71/209,620.74
  6. Step 6: Final answer
    x = 157,505.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.