Home / 292,022.08-438,103.62-109,654.38

Finding the Fourth Proportional to 292,022.08, 438,103.62 and 109,654.38

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Solution

The fourth proportional to 292,022.08, 438,103.62 and 109,654.38 is: 164,508.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,022.08 : 438,103.62 = 109,654.38 : x
  2. Step 2: Convert to fraction form
    292,022.08/438,103.62 = 109,654.38/x
  3. Step 3: Cross multiply
    292,022.08x = 438,103.62 × 109,654.38
  4. Step 4: Simplify right side
    292,022.08x = 48,039,980,826.86
  5. Step 5: Solve for x
    x = 48,039,980,826.86/292,022.08
  6. Step 6: Final answer
    x = 164,508.04

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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.