Home / 195,935.40-270,140.55-126,902.91

Finding the Fourth Proportional to 195,935.40, 270,140.55 and 126,902.91

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Solution

The fourth proportional to 195,935.40, 270,140.55 and 126,902.91 is: 174,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,935.40 : 270,140.55 = 126,902.91 : x
  2. Step 2: Convert to fraction form
    195,935.40/270,140.55 = 126,902.91/x
  3. Step 3: Cross multiply
    195,935.40x = 270,140.55 × 126,902.91
  4. Step 4: Simplify right side
    195,935.40x = 34,281,621,904.00
  5. Step 5: Solve for x
    x = 34,281,621,904.00/195,935.40
  6. Step 6: Final answer
    x = 174,963.90

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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.