Home / 126,176.22-174,127.07-72,472.01

Finding the Fourth Proportional to 126,176.22, 174,127.07 and 72,472.01

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Solution

The fourth proportional to 126,176.22, 174,127.07 and 72,472.01 is: 100,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,176.22 : 174,127.07 = 72,472.01 : x
  2. Step 2: Convert to fraction form
    126,176.22/174,127.07 = 72,472.01/x
  3. Step 3: Cross multiply
    126,176.22x = 174,127.07 × 72,472.01
  4. Step 4: Simplify right side
    126,176.22x = 12,619,337,525.32
  5. Step 5: Solve for x
    x = 12,619,337,525.32/126,176.22
  6. Step 6: Final answer
    x = 100,013.60

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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.