Home / 166,048.32-229,180.78-101,528.58

Finding the Fourth Proportional to 166,048.32, 229,180.78 and 101,528.58

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Solution

The fourth proportional to 166,048.32, 229,180.78 and 101,528.58 is: 140,130.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,048.32 : 229,180.78 = 101,528.58 : x
  2. Step 2: Convert to fraction form
    166,048.32/229,180.78 = 101,528.58/x
  3. Step 3: Cross multiply
    166,048.32x = 229,180.78 × 101,528.58
  4. Step 4: Simplify right side
    166,048.32x = 23,268,399,156.69
  5. Step 5: Solve for x
    x = 23,268,399,156.69/166,048.32
  6. Step 6: Final answer
    x = 140,130.29

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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.