Home / 199,047.07-274,680.37-108,402.76

Finding the Fourth Proportional to 199,047.07, 274,680.37 and 108,402.76

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Solution

The fourth proportional to 199,047.07, 274,680.37 and 108,402.76 is: 149,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,047.07 : 274,680.37 = 108,402.76 : x
  2. Step 2: Convert to fraction form
    199,047.07/274,680.37 = 108,402.76/x
  3. Step 3: Cross multiply
    199,047.07x = 274,680.37 × 108,402.76
  4. Step 4: Simplify right side
    199,047.07x = 29,776,108,549.83
  5. Step 5: Solve for x
    x = 29,776,108,549.83/199,047.07
  6. Step 6: Final answer
    x = 149,593.30

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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.