Home / 166,470.75-229,729.65-91,019.25

Finding the Fourth Proportional to 166,470.75, 229,729.65 and 91,019.25

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Solution

The fourth proportional to 166,470.75, 229,729.65 and 91,019.25 is: 125,606.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,470.75 : 229,729.65 = 91,019.25 : x
  2. Step 2: Convert to fraction form
    166,470.75/229,729.65 = 91,019.25/x
  3. Step 3: Cross multiply
    166,470.75x = 229,729.65 × 91,019.25
  4. Step 4: Simplify right side
    166,470.75x = 20,909,820,445.76
  5. Step 5: Solve for x
    x = 20,909,820,445.76/166,470.75
  6. Step 6: Final answer
    x = 125,606.57

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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.