Home / 126,788.23-174,973.22-70,199.61

Finding the Fourth Proportional to 126,788.23, 174,973.22 and 70,199.61

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Solution

The fourth proportional to 126,788.23, 174,973.22 and 70,199.61 is: 96,878.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,788.23 : 174,973.22 = 70,199.61 : x
  2. Step 2: Convert to fraction form
    126,788.23/174,973.22 = 70,199.61/x
  3. Step 3: Cross multiply
    126,788.23x = 174,973.22 × 70,199.61
  4. Step 4: Simplify right side
    126,788.23x = 12,283,051,804.44
  5. Step 5: Solve for x
    x = 12,283,051,804.44/126,788.23
  6. Step 6: Final answer
    x = 96,878.49

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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.