Home / 166,763.99-230,132.65-90,281.06

Finding the Fourth Proportional to 166,763.99, 230,132.65 and 90,281.06

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Solution

The fourth proportional to 166,763.99, 230,132.65 and 90,281.06 is: 124,586.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,763.99 : 230,132.65 = 90,281.06 : x
  2. Step 2: Convert to fraction form
    166,763.99/230,132.65 = 90,281.06/x
  3. Step 3: Cross multiply
    166,763.99x = 230,132.65 × 90,281.06
  4. Step 4: Simplify right side
    166,763.99x = 20,776,619,582.61
  5. Step 5: Solve for x
    x = 20,776,619,582.61/166,763.99
  6. Step 6: Final answer
    x = 124,586.97

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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.