Home / 118,765.24-163,899.22-67,078.18

Finding the Fourth Proportional to 118,765.24, 163,899.22 and 67,078.18

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Solution

The fourth proportional to 118,765.24, 163,899.22 and 67,078.18 is: 92,569.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,765.24 : 163,899.22 = 67,078.18 : x
  2. Step 2: Convert to fraction form
    118,765.24/163,899.22 = 67,078.18/x
  3. Step 3: Cross multiply
    118,765.24x = 163,899.22 × 67,078.18
  4. Step 4: Simplify right side
    118,765.24x = 10,994,061,381.02
  5. Step 5: Solve for x
    x = 10,994,061,381.02/118,765.24
  6. Step 6: Final answer
    x = 92,569.69

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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.