Home / 126,788.57-174,973.69-70,199.94

Finding the Fourth Proportional to 126,788.57, 174,973.69 and 70,199.94

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Solution

The fourth proportional to 126,788.57, 174,973.69 and 70,199.94 is: 96,878.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,788.57 : 174,973.69 = 70,199.94 : x
  2. Step 2: Convert to fraction form
    126,788.57/174,973.69 = 70,199.94/x
  3. Step 3: Cross multiply
    126,788.57x = 174,973.69 × 70,199.94
  4. Step 4: Simplify right side
    126,788.57x = 12,283,142,188.58
  5. Step 5: Solve for x
    x = 12,283,142,188.58/126,788.57
  6. Step 6: Final answer
    x = 96,878.94

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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.