Home / 166,853.64-230,263.76-91,402.14

Finding the Fourth Proportional to 166,853.64, 230,263.76 and 91,402.14

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Solution

The fourth proportional to 166,853.64, 230,263.76 and 91,402.14 is: 126,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,853.64 : 230,263.76 = 91,402.14 : x
  2. Step 2: Convert to fraction form
    166,853.64/230,263.76 = 91,402.14/x
  3. Step 3: Cross multiply
    166,853.64x = 230,263.76 × 91,402.14
  4. Step 4: Simplify right side
    166,853.64x = 21,046,600,428.45
  5. Step 5: Solve for x
    x = 21,046,600,428.45/166,853.64
  6. Step 6: Final answer
    x = 126,138.10

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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.