Home / 269,045.08-403,427.48-100,426.72

Finding the Fourth Proportional to 269,045.08, 403,427.48 and 100,426.72

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Solution

The fourth proportional to 269,045.08, 403,427.48 and 100,426.72 is: 150,587.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,045.08 : 403,427.48 = 100,426.72 : x
  2. Step 2: Convert to fraction form
    269,045.08/403,427.48 = 100,426.72/x
  3. Step 3: Cross multiply
    269,045.08x = 403,427.48 × 100,426.72
  4. Step 4: Simplify right side
    269,045.08x = 40,514,898,574.27
  5. Step 5: Solve for x
    x = 40,514,898,574.27/269,045.08
  6. Step 6: Final answer
    x = 150,587.77

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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.