Home / 126,127.96-174,057.92-69,541.36

Finding the Fourth Proportional to 126,127.96, 174,057.92 and 69,541.36

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Solution

The fourth proportional to 126,127.96, 174,057.92 and 69,541.36 is: 95,967.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,127.96 : 174,057.92 = 69,541.36 : x
  2. Step 2: Convert to fraction form
    126,127.96/174,057.92 = 69,541.36/x
  3. Step 3: Cross multiply
    126,127.96x = 174,057.92 × 69,541.36
  4. Step 4: Simplify right side
    126,127.96x = 12,104,224,475.57
  5. Step 5: Solve for x
    x = 12,104,224,475.57/126,127.96
  6. Step 6: Final answer
    x = 95,967.81

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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.