Home / 296,569.12-409,265.40-162,433.12

Finding the Fourth Proportional to 296,569.12, 409,265.40 and 162,433.12

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Solution

The fourth proportional to 296,569.12, 409,265.40 and 162,433.12 is: 224,157.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,569.12 : 409,265.40 = 162,433.12 : x
  2. Step 2: Convert to fraction form
    296,569.12/409,265.40 = 162,433.12/x
  3. Step 3: Cross multiply
    296,569.12x = 409,265.40 × 162,433.12
  4. Step 4: Simplify right side
    296,569.12x = 66,478,255,830.05
  5. Step 5: Solve for x
    x = 66,478,255,830.05/296,569.12
  6. Step 6: Final answer
    x = 224,157.71

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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.