Home / 338,397.20-507,646.82-146,324.18

Finding the Fourth Proportional to 338,397.20, 507,646.82 and 146,324.18

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Solution

The fourth proportional to 338,397.20, 507,646.82 and 146,324.18 is: 219,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,397.20 : 507,646.82 = 146,324.18 : x
  2. Step 2: Convert to fraction form
    338,397.20/507,646.82 = 146,324.18/x
  3. Step 3: Cross multiply
    338,397.20x = 507,646.82 × 146,324.18
  4. Step 4: Simplify right side
    338,397.20x = 74,281,004,666.11
  5. Step 5: Solve for x
    x = 74,281,004,666.11/338,397.20
  6. Step 6: Final answer
    x = 219,508.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.