Home / 235,534.62-325,040.34-128,104.93

Finding the Fourth Proportional to 235,534.62, 325,040.34 and 128,104.93

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Solution

The fourth proportional to 235,534.62, 325,040.34 and 128,104.93 is: 176,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,534.62 : 325,040.34 = 128,104.93 : x
  2. Step 2: Convert to fraction form
    235,534.62/325,040.34 = 128,104.93/x
  3. Step 3: Cross multiply
    235,534.62x = 325,040.34 × 128,104.93
  4. Step 4: Simplify right side
    235,534.62x = 41,639,270,002.88
  5. Step 5: Solve for x
    x = 41,639,270,002.88/235,534.62
  6. Step 6: Final answer
    x = 176,786.20

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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.