Home / 219,008.08-328,512.66-61,236.28

Finding the Fourth Proportional to 219,008.08, 328,512.66 and 61,236.28

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Solution

The fourth proportional to 219,008.08, 328,512.66 and 61,236.28 is: 91,854.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,008.08 : 328,512.66 = 61,236.28 : x
  2. Step 2: Convert to fraction form
    219,008.08/328,512.66 = 61,236.28/x
  3. Step 3: Cross multiply
    219,008.08x = 328,512.66 × 61,236.28
  4. Step 4: Simplify right side
    219,008.08x = 20,116,893,231.30
  5. Step 5: Solve for x
    x = 20,116,893,231.30/219,008.08
  6. Step 6: Final answer
    x = 91,854.57

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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.