Home / 124,193.64-171,382.86-67,603.80

Finding the Fourth Proportional to 124,193.64, 171,382.86 and 67,603.80

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Solution

The fourth proportional to 124,193.64, 171,382.86 and 67,603.80 is: 93,290.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,193.64 : 171,382.86 = 67,603.80 : x
  2. Step 2: Convert to fraction form
    124,193.64/171,382.86 = 67,603.80/x
  3. Step 3: Cross multiply
    124,193.64x = 171,382.86 × 67,603.80
  4. Step 4: Simplify right side
    124,193.64x = 11,586,132,590.87
  5. Step 5: Solve for x
    x = 11,586,132,590.87/124,193.64
  6. Step 6: Final answer
    x = 93,290.87

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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.