Home / 199,391.36-275,091.16-127,810.88

Finding the Fourth Proportional to 199,391.36, 275,091.16 and 127,810.88

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Solution

The fourth proportional to 199,391.36, 275,091.16 and 127,810.88 is: 176,334.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,391.36 : 275,091.16 = 127,810.88 : x
  2. Step 2: Convert to fraction form
    199,391.36/275,091.16 = 127,810.88/x
  3. Step 3: Cross multiply
    199,391.36x = 275,091.16 × 127,810.88
  4. Step 4: Simplify right side
    199,391.36x = 35,159,643,239.82
  5. Step 5: Solve for x
    x = 35,159,643,239.82/199,391.36
  6. Step 6: Final answer
    x = 176,334.84

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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.