Home / 235,984.45-325,655.60-128,552.17

Finding the Fourth Proportional to 235,984.45, 325,655.60 and 128,552.17

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Solution

The fourth proportional to 235,984.45, 325,655.60 and 128,552.17 is: 177,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,984.45 : 325,655.60 = 128,552.17 : x
  2. Step 2: Convert to fraction form
    235,984.45/325,655.60 = 128,552.17/x
  3. Step 3: Cross multiply
    235,984.45x = 325,655.60 × 128,552.17
  4. Step 4: Simplify right side
    235,984.45x = 41,863,734,483.82
  5. Step 5: Solve for x
    x = 41,863,734,483.82/235,984.45
  6. Step 6: Final answer
    x = 177,400.40

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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.