Home / 166,097.49-229,211.33-90,646.53

Finding the Fourth Proportional to 166,097.49, 229,211.33 and 90,646.53

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Solution

The fourth proportional to 166,097.49, 229,211.33 and 90,646.53 is: 125,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,097.49 : 229,211.33 = 90,646.53 : x
  2. Step 2: Convert to fraction form
    166,097.49/229,211.33 = 90,646.53/x
  3. Step 3: Cross multiply
    166,097.49x = 229,211.33 × 90,646.53
  4. Step 4: Simplify right side
    166,097.49x = 20,777,211,701.18
  5. Step 5: Solve for x
    x = 20,777,211,701.18/166,097.49
  6. Step 6: Final answer
    x = 125,090.46

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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.