Home / 292,721.94-403,944.03-165,402.36

Finding the Fourth Proportional to 292,721.94, 403,944.03 and 165,402.36

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Solution

The fourth proportional to 292,721.94, 403,944.03 and 165,402.36 is: 228,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,721.94 : 403,944.03 = 165,402.36 : x
  2. Step 2: Convert to fraction form
    292,721.94/403,944.03 = 165,402.36/x
  3. Step 3: Cross multiply
    292,721.94x = 403,944.03 × 165,402.36
  4. Step 4: Simplify right side
    292,721.94x = 66,813,295,869.91
  5. Step 5: Solve for x
    x = 66,813,295,869.91/292,721.94
  6. Step 6: Final answer
    x = 228,248.34

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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.