Home / 118,473.18-163,493.33-64,758.84

Finding the Fourth Proportional to 118,473.18, 163,493.33 and 64,758.84

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Solution

The fourth proportional to 118,473.18, 163,493.33 and 64,758.84 is: 89,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,473.18 : 163,493.33 = 64,758.84 : x
  2. Step 2: Convert to fraction form
    118,473.18/163,493.33 = 64,758.84/x
  3. Step 3: Cross multiply
    118,473.18x = 163,493.33 × 64,758.84
  4. Step 4: Simplify right side
    118,473.18x = 10,587,638,074.74
  5. Step 5: Solve for x
    x = 10,587,638,074.74/118,473.18
  6. Step 6: Final answer
    x = 89,367.38

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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.