Home / 235,684.20-325,250.98-128,261.04

Finding the Fourth Proportional to 235,684.20, 325,250.98 and 128,261.04

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Solution

The fourth proportional to 235,684.20, 325,250.98 and 128,261.04 is: 177,003.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,684.20 : 325,250.98 = 128,261.04 : x
  2. Step 2: Convert to fraction form
    235,684.20/325,250.98 = 128,261.04/x
  3. Step 3: Cross multiply
    235,684.20x = 325,250.98 × 128,261.04
  4. Step 4: Simplify right side
    235,684.20x = 41,717,028,955.82
  5. Step 5: Solve for x
    x = 41,717,028,955.82/235,684.20
  6. Step 6: Final answer
    x = 177,003.93

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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.