Home / 166,580.76-229,886.88-91,129.26

Finding the Fourth Proportional to 166,580.76, 229,886.88 and 91,129.26

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Solution

The fourth proportional to 166,580.76, 229,886.88 and 91,129.26 is: 125,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,580.76 : 229,886.88 = 91,129.26 : x
  2. Step 2: Convert to fraction form
    166,580.76/229,886.88 = 91,129.26/x
  3. Step 3: Cross multiply
    166,580.76x = 229,886.88 × 91,129.26
  4. Step 4: Simplify right side
    166,580.76x = 20,949,421,258.11
  5. Step 5: Solve for x
    x = 20,949,421,258.11/166,580.76
  6. Step 6: Final answer
    x = 125,761.35

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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.