Home / 166,386.74-229,613.68-90,935.24

Finding the Fourth Proportional to 166,386.74, 229,613.68 and 90,935.24

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Solution

The fourth proportional to 166,386.74, 229,613.68 and 90,935.24 is: 125,490.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,386.74 : 229,613.68 = 90,935.24 : x
  2. Step 2: Convert to fraction form
    166,386.74/229,613.68 = 90,935.24/x
  3. Step 3: Cross multiply
    166,386.74x = 229,613.68 × 90,935.24
  4. Step 4: Simplify right side
    166,386.74x = 20,879,975,098.08
  5. Step 5: Solve for x
    x = 20,879,975,098.08/166,386.74
  6. Step 6: Final answer
    x = 125,490.62

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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.