Home / 174,713.32-262,206.06-121,778.20

Finding the Fourth Proportional to 174,713.32, 262,206.06 and 121,778.20

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Solution

The fourth proportional to 174,713.32, 262,206.06 and 121,778.20 is: 182,762.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,713.32 : 262,206.06 = 121,778.20 : x
  2. Step 2: Convert to fraction form
    174,713.32/262,206.06 = 121,778.20/x
  3. Step 3: Cross multiply
    174,713.32x = 262,206.06 × 121,778.20
  4. Step 4: Simplify right side
    174,713.32x = 31,930,982,015.89
  5. Step 5: Solve for x
    x = 31,930,982,015.89/174,713.32
  6. Step 6: Final answer
    x = 182,762.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.