Home / 235,513.44-325,011.36-128,086.16

Finding the Fourth Proportional to 235,513.44, 325,011.36 and 128,086.16

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Solution

The fourth proportional to 235,513.44, 325,011.36 and 128,086.16 is: 176,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,513.44 : 325,011.36 = 128,086.16 : x
  2. Step 2: Convert to fraction form
    235,513.44/325,011.36 = 128,086.16/x
  3. Step 3: Cross multiply
    235,513.44x = 325,011.36 × 128,086.16
  4. Step 4: Simplify right side
    235,513.44x = 41,629,457,058.78
  5. Step 5: Solve for x
    x = 41,629,457,058.78/235,513.44
  6. Step 6: Final answer
    x = 176,760.43

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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.