Home / 202,104.24-278,901-117,235.68

Finding the Fourth Proportional to 202,104.24, 278,901 and 117,235.68

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Solution

The fourth proportional to 202,104.24, 278,901 and 117,235.68 is: 161,783.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,104.24 : 278,901 = 117,235.68 : x
  2. Step 2: Convert to fraction form
    202,104.24/278,901 = 117,235.68/x
  3. Step 3: Cross multiply
    202,104.24x = 278,901 × 117,235.68
  4. Step 4: Simplify right side
    202,104.24x = 32,697,148,387.68
  5. Step 5: Solve for x
    x = 32,697,148,387.68/202,104.24
  6. Step 6: Final answer
    x = 161,783.58

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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.