Home / 292,579.72-403,757.86-165,280.20

Finding the Fourth Proportional to 292,579.72, 403,757.86 and 165,280.20

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Solution

The fourth proportional to 292,579.72, 403,757.86 and 165,280.20 is: 228,085.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,579.72 : 403,757.86 = 165,280.20 : x
  2. Step 2: Convert to fraction form
    292,579.72/403,757.86 = 165,280.20/x
  3. Step 3: Cross multiply
    292,579.72x = 403,757.86 × 165,280.20
  4. Step 4: Simplify right side
    292,579.72x = 66,733,179,852.37
  5. Step 5: Solve for x
    x = 66,733,179,852.37/292,579.72
  6. Step 6: Final answer
    x = 228,085.46

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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.