Home / 166,386.02-229,612.20-90,934.52

Finding the Fourth Proportional to 166,386.02, 229,612.20 and 90,934.52

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Solution

The fourth proportional to 166,386.02, 229,612.20 and 90,934.52 is: 125,489.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,386.02 : 229,612.20 = 90,934.52 : x
  2. Step 2: Convert to fraction form
    166,386.02/229,612.20 = 90,934.52/x
  3. Step 3: Cross multiply
    166,386.02x = 229,612.20 × 90,934.52
  4. Step 4: Simplify right side
    166,386.02x = 20,879,675,193.14
  5. Step 5: Solve for x
    x = 20,879,675,193.14/166,386.02
  6. Step 6: Final answer
    x = 125,489.36

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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.