Home / 242,515.12-334,403.40-166,046.80

Finding the Fourth Proportional to 242,515.12, 334,403.40 and 166,046.80

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Solution

The fourth proportional to 242,515.12, 334,403.40 and 166,046.80 is: 228,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,515.12 : 334,403.40 = 166,046.80 : x
  2. Step 2: Convert to fraction form
    242,515.12/334,403.40 = 166,046.80/x
  3. Step 3: Cross multiply
    242,515.12x = 334,403.40 × 166,046.80
  4. Step 4: Simplify right side
    242,515.12x = 55,526,614,479.12
  5. Step 5: Solve for x
    x = 55,526,614,479.12/242,515.12
  6. Step 6: Final answer
    x = 228,961.45

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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.