Home / 166,285.28-229,470.40-93,688.32

Finding the Fourth Proportional to 166,285.28, 229,470.40 and 93,688.32

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Solution

The fourth proportional to 166,285.28, 229,470.40 and 93,688.32 is: 129,288.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,285.28 : 229,470.40 = 93,688.32 : x
  2. Step 2: Convert to fraction form
    166,285.28/229,470.40 = 93,688.32/x
  3. Step 3: Cross multiply
    166,285.28x = 229,470.40 × 93,688.32
  4. Step 4: Simplify right side
    166,285.28x = 21,498,696,265.73
  5. Step 5: Solve for x
    x = 21,498,696,265.73/166,285.28
  6. Step 6: Final answer
    x = 129,288.03

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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.