Home / 166,891.01-230,308.65-90,411.57

Finding the Fourth Proportional to 166,891.01, 230,308.65 and 90,411.57

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Solution

The fourth proportional to 166,891.01, 230,308.65 and 90,411.57 is: 124,767.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,891.01 : 230,308.65 = 90,411.57 : x
  2. Step 2: Convert to fraction form
    166,891.01/230,308.65 = 90,411.57/x
  3. Step 3: Cross multiply
    166,891.01x = 230,308.65 × 90,411.57
  4. Step 4: Simplify right side
    166,891.01x = 20,822,566,631.08
  5. Step 5: Solve for x
    x = 20,822,566,631.08/166,891.01
  6. Step 6: Final answer
    x = 124,767.46

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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.