Home / 126,670.32-174,776.24-75,674.96

Finding the Fourth Proportional to 126,670.32, 174,776.24 and 75,674.96

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Solution

The fourth proportional to 126,670.32, 174,776.24 and 75,674.96 is: 104,414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,670.32 : 174,776.24 = 75,674.96 : x
  2. Step 2: Convert to fraction form
    126,670.32/174,776.24 = 75,674.96/x
  3. Step 3: Cross multiply
    126,670.32x = 174,776.24 × 75,674.96
  4. Step 4: Simplify right side
    126,670.32x = 13,226,184,970.95
  5. Step 5: Solve for x
    x = 13,226,184,970.95/126,670.32
  6. Step 6: Final answer
    x = 104,414.24

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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.