Home / 166,247.66-229,421.40-90,796.16

Finding the Fourth Proportional to 166,247.66, 229,421.40 and 90,796.16

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Solution

The fourth proportional to 166,247.66, 229,421.40 and 90,796.16 is: 125,298.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,247.66 : 229,421.40 = 90,796.16 : x
  2. Step 2: Convert to fraction form
    166,247.66/229,421.40 = 90,796.16/x
  3. Step 3: Cross multiply
    166,247.66x = 229,421.40 × 90,796.16
  4. Step 4: Simplify right side
    166,247.66x = 20,830,580,994.72
  5. Step 5: Solve for x
    x = 20,830,580,994.72/166,247.66
  6. Step 6: Final answer
    x = 125,298.50

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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.