Home / 124,171.22-171,415.78-76,465.46

Finding the Fourth Proportional to 124,171.22, 171,415.78 and 76,465.46

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Solution

The fourth proportional to 124,171.22, 171,415.78 and 76,465.46 is: 105,558.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,171.22 : 171,415.78 = 76,465.46 : x
  2. Step 2: Convert to fraction form
    124,171.22/171,415.78 = 76,465.46/x
  3. Step 3: Cross multiply
    124,171.22x = 171,415.78 × 76,465.46
  4. Step 4: Simplify right side
    124,171.22x = 13,107,386,468.96
  5. Step 5: Solve for x
    x = 13,107,386,468.96/124,171.22
  6. Step 6: Final answer
    x = 105,558.97

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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.