Home / 152,765.20-210,918.77-116,891.11

Finding the Fourth Proportional to 152,765.20, 210,918.77 and 116,891.11

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Solution

The fourth proportional to 152,765.20, 210,918.77 and 116,891.11 is: 161,388.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,765.20 : 210,918.77 = 116,891.11 : x
  2. Step 2: Convert to fraction form
    152,765.20/210,918.77 = 116,891.11/x
  3. Step 3: Cross multiply
    152,765.20x = 210,918.77 × 116,891.11
  4. Step 4: Simplify right side
    152,765.20x = 24,654,529,145.13
  5. Step 5: Solve for x
    x = 24,654,529,145.13/152,765.20
  6. Step 6: Final answer
    x = 161,388.39

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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.