Home / 126,464.28-174,520.35-69,875.25

Finding the Fourth Proportional to 126,464.28, 174,520.35 and 69,875.25

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Solution

The fourth proportional to 126,464.28, 174,520.35 and 69,875.25 is: 96,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,464.28 : 174,520.35 = 69,875.25 : x
  2. Step 2: Convert to fraction form
    126,464.28/174,520.35 = 69,875.25/x
  3. Step 3: Cross multiply
    126,464.28x = 174,520.35 × 69,875.25
  4. Step 4: Simplify right side
    126,464.28x = 12,194,653,086.34
  5. Step 5: Solve for x
    x = 12,194,653,086.34/126,464.28
  6. Step 6: Final answer
    x = 96,427.65

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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.