Home / 166,657.77-229,986.81-90,176.76

Finding the Fourth Proportional to 166,657.77, 229,986.81 and 90,176.76

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Solution

The fourth proportional to 166,657.77, 229,986.81 and 90,176.76 is: 124,443.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,657.77 : 229,986.81 = 90,176.76 : x
  2. Step 2: Convert to fraction form
    166,657.77/229,986.81 = 90,176.76/x
  3. Step 3: Cross multiply
    166,657.77x = 229,986.81 × 90,176.76
  4. Step 4: Simplify right side
    166,657.77x = 20,739,465,368.54
  5. Step 5: Solve for x
    x = 20,739,465,368.54/166,657.77
  6. Step 6: Final answer
    x = 124,443.44

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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.