Home / 235,949.48-325,615.28-128,519.26

Finding the Fourth Proportional to 235,949.48, 325,615.28 and 128,519.26

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Solution

The fourth proportional to 235,949.48, 325,615.28 and 128,519.26 is: 177,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,949.48 : 325,615.28 = 128,519.26 : x
  2. Step 2: Convert to fraction form
    235,949.48/325,615.28 = 128,519.26/x
  3. Step 3: Cross multiply
    235,949.48x = 325,615.28 × 128,519.26
  4. Step 4: Simplify right side
    235,949.48x = 41,847,834,337.55
  5. Step 5: Solve for x
    x = 41,847,834,337.55/235,949.48
  6. Step 6: Final answer
    x = 177,359.30

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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.