Home / 352,916.72-486,985.54-199,922.14

Finding the Fourth Proportional to 352,916.72, 486,985.54 and 199,922.14

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Solution

The fourth proportional to 352,916.72, 486,985.54 and 199,922.14 is: 275,870.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,916.72 : 486,985.54 = 199,922.14 : x
  2. Step 2: Convert to fraction form
    352,916.72/486,985.54 = 199,922.14/x
  3. Step 3: Cross multiply
    352,916.72x = 486,985.54 × 199,922.14
  4. Step 4: Simplify right side
    352,916.72x = 97,359,191,305.86
  5. Step 5: Solve for x
    x = 97,359,191,305.86/352,916.72
  6. Step 6: Final answer
    x = 275,870.16

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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.