Home / 124,157.70-171,338.16-67,569

Finding the Fourth Proportional to 124,157.70, 171,338.16 and 67,569

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Solution

The fourth proportional to 124,157.70, 171,338.16 and 67,569 is: 93,245.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,157.70 : 171,338.16 = 67,569 : x
  2. Step 2: Convert to fraction form
    124,157.70/171,338.16 = 67,569/x
  3. Step 3: Cross multiply
    124,157.70x = 171,338.16 × 67,569
  4. Step 4: Simplify right side
    124,157.70x = 11,577,148,133.04
  5. Step 5: Solve for x
    x = 11,577,148,133.04/124,157.70
  6. Step 6: Final answer
    x = 93,245.51

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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.