Home / 210,148.20-289,993.86-114,654.12

Finding the Fourth Proportional to 210,148.20, 289,993.86 and 114,654.12

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Solution

The fourth proportional to 210,148.20, 289,993.86 and 114,654.12 is: 158,216.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,148.20 : 289,993.86 = 114,654.12 : x
  2. Step 2: Convert to fraction form
    210,148.20/289,993.86 = 114,654.12/x
  3. Step 3: Cross multiply
    210,148.20x = 289,993.86 × 114,654.12
  4. Step 4: Simplify right side
    210,148.20x = 33,248,990,823.70
  5. Step 5: Solve for x
    x = 33,248,990,823.70/210,148.20
  6. Step 6: Final answer
    x = 158,216.87

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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.