Home / 166,700.16-230,051.61-91,248.66

Finding the Fourth Proportional to 166,700.16, 230,051.61 and 91,248.66

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Solution

The fourth proportional to 166,700.16, 230,051.61 and 91,248.66 is: 125,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,700.16 : 230,051.61 = 91,248.66 : x
  2. Step 2: Convert to fraction form
    166,700.16/230,051.61 = 91,248.66/x
  3. Step 3: Cross multiply
    166,700.16x = 230,051.61 × 91,248.66
  4. Step 4: Simplify right side
    166,700.16x = 20,991,901,143.34
  5. Step 5: Solve for x
    x = 20,991,901,143.34/166,700.16
  6. Step 6: Final answer
    x = 125,926.10

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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.