Home / 296,579.24-409,278.72-160,612.77

Finding the Fourth Proportional to 296,579.24, 409,278.72 and 160,612.77

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Solution

The fourth proportional to 296,579.24, 409,278.72 and 160,612.77 is: 221,645.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,579.24 : 409,278.72 = 160,612.77 : x
  2. Step 2: Convert to fraction form
    296,579.24/409,278.72 = 160,612.77/x
  3. Step 3: Cross multiply
    296,579.24x = 409,278.72 × 160,612.77
  4. Step 4: Simplify right side
    296,579.24x = 65,735,388,921.25
  5. Step 5: Solve for x
    x = 65,735,388,921.25/296,579.24
  6. Step 6: Final answer
    x = 221,645.28

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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.