Home / 166,189.74-229,066.09-117,729.57

Finding the Fourth Proportional to 166,189.74, 229,066.09 and 117,729.57

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Solution

The fourth proportional to 166,189.74, 229,066.09 and 117,729.57 is: 162,271.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,189.74 : 229,066.09 = 117,729.57 : x
  2. Step 2: Convert to fraction form
    166,189.74/229,066.09 = 117,729.57/x
  3. Step 3: Cross multiply
    166,189.74x = 229,066.09 × 117,729.57
  4. Step 4: Simplify right side
    166,189.74x = 26,967,851,688.63
  5. Step 5: Solve for x
    x = 26,967,851,688.63/166,189.74
  6. Step 6: Final answer
    x = 162,271.46

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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.