Home / 166,820.01-230,211.62-91,368.51

Finding the Fourth Proportional to 166,820.01, 230,211.62 and 91,368.51

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Solution

The fourth proportional to 166,820.01, 230,211.62 and 91,368.51 is: 126,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,820.01 : 230,211.62 = 91,368.51 : x
  2. Step 2: Convert to fraction form
    166,820.01/230,211.62 = 91,368.51/x
  3. Step 3: Cross multiply
    166,820.01x = 230,211.62 × 91,368.51
  4. Step 4: Simplify right side
    166,820.01x = 21,034,092,704.09
  5. Step 5: Solve for x
    x = 21,034,092,704.09/166,820.01
  6. Step 6: Final answer
    x = 126,088.55

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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.