Home / 166,378.02-229,601.16-90,926.52

Finding the Fourth Proportional to 166,378.02, 229,601.16 and 90,926.52

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Solution

The fourth proportional to 166,378.02, 229,601.16 and 90,926.52 is: 125,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,378.02 : 229,601.16 = 90,926.52 : x
  2. Step 2: Convert to fraction form
    166,378.02/229,601.16 = 90,926.52/x
  3. Step 3: Cross multiply
    166,378.02x = 229,601.16 × 90,926.52
  4. Step 4: Simplify right side
    166,378.02x = 20,876,834,466.76
  5. Step 5: Solve for x
    x = 20,876,834,466.76/166,378.02
  6. Step 6: Final answer
    x = 125,478.32

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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.