Home / 199,303.39-274,883.16-127,690.12

Finding the Fourth Proportional to 199,303.39, 274,883.16 and 127,690.12

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Solution

The fourth proportional to 199,303.39, 274,883.16 and 127,690.12 is: 176,112.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,303.39 : 274,883.16 = 127,690.12 : x
  2. Step 2: Convert to fraction form
    199,303.39/274,883.16 = 127,690.12/x
  3. Step 3: Cross multiply
    199,303.39x = 274,883.16 × 127,690.12
  4. Step 4: Simplify right side
    199,303.39x = 35,099,863,686.38
  5. Step 5: Solve for x
    x = 35,099,863,686.38/199,303.39
  6. Step 6: Final answer
    x = 176,112.73

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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.