Home / 124,102.28-171,265.44-67,515.68

Finding the Fourth Proportional to 124,102.28, 171,265.44 and 67,515.68

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Solution

The fourth proportional to 124,102.28, 171,265.44 and 67,515.68 is: 93,173.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,102.28 : 171,265.44 = 67,515.68 : x
  2. Step 2: Convert to fraction form
    124,102.28/171,265.44 = 67,515.68/x
  3. Step 3: Cross multiply
    124,102.28x = 171,265.44 × 67,515.68
  4. Step 4: Simplify right side
    124,102.28x = 11,563,102,642.10
  5. Step 5: Solve for x
    x = 11,563,102,642.10/124,102.28
  6. Step 6: Final answer
    x = 93,173.97

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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.