Home / 126,051.86-173,985.15-74,414.36

Finding the Fourth Proportional to 126,051.86, 173,985.15 and 74,414.36

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Solution

The fourth proportional to 126,051.86, 173,985.15 and 74,414.36 is: 102,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,051.86 : 173,985.15 = 74,414.36 : x
  2. Step 2: Convert to fraction form
    126,051.86/173,985.15 = 74,414.36/x
  3. Step 3: Cross multiply
    126,051.86x = 173,985.15 × 74,414.36
  4. Step 4: Simplify right side
    126,051.86x = 12,946,992,716.83
  5. Step 5: Solve for x
    x = 12,946,992,716.83/126,051.86
  6. Step 6: Final answer
    x = 102,711.64

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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.