Home / 296,827.36-409,623.28-160,861.28

Finding the Fourth Proportional to 296,827.36, 409,623.28 and 160,861.28

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Solution

The fourth proportional to 296,827.36, 409,623.28 and 160,861.28 is: 221,989.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,827.36 : 409,623.28 = 160,861.28 : x
  2. Step 2: Convert to fraction form
    296,827.36/409,623.28 = 160,861.28/x
  3. Step 3: Cross multiply
    296,827.36x = 409,623.28 × 160,861.28
  4. Step 4: Simplify right side
    296,827.36x = 65,892,525,138.60
  5. Step 5: Solve for x
    x = 65,892,525,138.60/296,827.36
  6. Step 6: Final answer
    x = 221,989.39

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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.