Home / 124,146.27-171,320.27-67,557.65

Finding the Fourth Proportional to 124,146.27, 171,320.27 and 67,557.65

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Solution

The fourth proportional to 124,146.27, 171,320.27 and 67,557.65 is: 93,228.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,146.27 : 171,320.27 = 67,557.65 : x
  2. Step 2: Convert to fraction form
    124,146.27/171,320.27 = 67,557.65/x
  3. Step 3: Cross multiply
    124,146.27x = 171,320.27 × 67,557.65
  4. Step 4: Simplify right side
    124,146.27x = 11,573,993,644.18
  5. Step 5: Solve for x
    x = 11,573,993,644.18/124,146.27
  6. Step 6: Final answer
    x = 93,228.69

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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.