Home / 126,090.50-174,004.89-69,503.09

Finding the Fourth Proportional to 126,090.50, 174,004.89 and 69,503.09

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Solution

The fourth proportional to 126,090.50, 174,004.89 and 69,503.09 is: 95,914.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,090.50 : 174,004.89 = 69,503.09 : x
  2. Step 2: Convert to fraction form
    126,090.50/174,004.89 = 69,503.09/x
  3. Step 3: Cross multiply
    126,090.50x = 174,004.89 × 69,503.09
  4. Step 4: Simplify right side
    126,090.50x = 12,093,877,530.11
  5. Step 5: Solve for x
    x = 12,093,877,530.11/126,090.50
  6. Step 6: Final answer
    x = 95,914.26

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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.