Home / 126,127.72-174,057.56-69,541.12

Finding the Fourth Proportional to 126,127.72, 174,057.56 and 69,541.12

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Solution

The fourth proportional to 126,127.72, 174,057.56 and 69,541.12 is: 95,967.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,127.72 : 174,057.56 = 69,541.12 : x
  2. Step 2: Convert to fraction form
    126,127.72/174,057.56 = 69,541.12/x
  3. Step 3: Cross multiply
    126,127.72x = 174,057.56 × 69,541.12
  4. Step 4: Simplify right side
    126,127.72x = 12,104,157,666.87
  5. Step 5: Solve for x
    x = 12,104,157,666.87/126,127.72
  6. Step 6: Final answer
    x = 95,967.47

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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.