Home / 235,928.56-325,583.52-128,499.08

Finding the Fourth Proportional to 235,928.56, 325,583.52 and 128,499.08

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Solution

The fourth proportional to 235,928.56, 325,583.52 and 128,499.08 is: 177,329.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,928.56 : 325,583.52 = 128,499.08 : x
  2. Step 2: Convert to fraction form
    235,928.56/325,583.52 = 128,499.08/x
  3. Step 3: Cross multiply
    235,928.56x = 325,583.52 × 128,499.08
  4. Step 4: Simplify right side
    235,928.56x = 41,837,182,783.16
  5. Step 5: Solve for x
    x = 41,837,182,783.16/235,928.56
  6. Step 6: Final answer
    x = 177,329.88

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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.