Home / 199,219.61-275,192.29-159,213.77

Finding the Fourth Proportional to 199,219.61, 275,192.29 and 159,213.77

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Solution

The fourth proportional to 199,219.61, 275,192.29 and 159,213.77 is: 219,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,219.61 : 275,192.29 = 159,213.77 : x
  2. Step 2: Convert to fraction form
    199,219.61/275,192.29 = 159,213.77/x
  3. Step 3: Cross multiply
    199,219.61x = 275,192.29 × 159,213.77
  4. Step 4: Simplify right side
    199,219.61x = 43,814,400,191.84
  5. Step 5: Solve for x
    x = 43,814,400,191.84/199,219.61
  6. Step 6: Final answer
    x = 219,930.16

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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.