Home / 192,830.20-266,073.98-121,159.44

Finding the Fourth Proportional to 192,830.20, 266,073.98 and 121,159.44

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Solution

The fourth proportional to 192,830.20, 266,073.98 and 121,159.44 is: 167,180.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,830.20 : 266,073.98 = 121,159.44 : x
  2. Step 2: Convert to fraction form
    192,830.20/266,073.98 = 121,159.44/x
  3. Step 3: Cross multiply
    192,830.20x = 266,073.98 × 121,159.44
  4. Step 4: Simplify right side
    192,830.20x = 32,237,374,415.37
  5. Step 5: Solve for x
    x = 32,237,374,415.37/192,830.20
  6. Step 6: Final answer
    x = 167,180.11

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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.