Home / 199,331.32-274,921.50-127,718.32

Finding the Fourth Proportional to 199,331.32, 274,921.50 and 127,718.32

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Solution

The fourth proportional to 199,331.32, 274,921.50 and 127,718.32 is: 176,151.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,331.32 : 274,921.50 = 127,718.32 : x
  2. Step 2: Convert to fraction form
    199,331.32/274,921.50 = 127,718.32/x
  3. Step 3: Cross multiply
    199,331.32x = 274,921.50 × 127,718.32
  4. Step 4: Simplify right side
    199,331.32x = 35,112,512,111.88
  5. Step 5: Solve for x
    x = 35,112,512,111.88/199,331.32
  6. Step 6: Final answer
    x = 176,151.51

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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.