Home / 118,450.53-163,445.94-76,066.47

Finding the Fourth Proportional to 118,450.53, 163,445.94 and 76,066.47

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Solution

The fourth proportional to 118,450.53, 163,445.94 and 76,066.47 is: 104,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,450.53 : 163,445.94 = 76,066.47 : x
  2. Step 2: Convert to fraction form
    118,450.53/163,445.94 = 76,066.47/x
  3. Step 3: Cross multiply
    118,450.53x = 163,445.94 × 76,066.47
  4. Step 4: Simplify right side
    118,450.53x = 12,432,755,691.63
  5. Step 5: Solve for x
    x = 12,432,755,691.63/118,450.53
  6. Step 6: Final answer
    x = 104,961.59

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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.