Home / 235,951.49-325,618.04-128,521.27

Finding the Fourth Proportional to 235,951.49, 325,618.04 and 128,521.27

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Solution

The fourth proportional to 235,951.49, 325,618.04 and 128,521.27 is: 177,362.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,951.49 : 325,618.04 = 128,521.27 : x
  2. Step 2: Convert to fraction form
    235,951.49/325,618.04 = 128,521.27/x
  3. Step 3: Cross multiply
    235,951.49x = 325,618.04 × 128,521.27
  4. Step 4: Simplify right side
    235,951.49x = 41,848,841,765.01
  5. Step 5: Solve for x
    x = 41,848,841,765.01/235,951.49
  6. Step 6: Final answer
    x = 177,362.06

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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.