Home / 126,907.36-175,127.21-72,462.22

Finding the Fourth Proportional to 126,907.36, 175,127.21 and 72,462.22

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Solution

The fourth proportional to 126,907.36, 175,127.21 and 72,462.22 is: 99,995.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,907.36 : 175,127.21 = 72,462.22 : x
  2. Step 2: Convert to fraction form
    126,907.36/175,127.21 = 72,462.22/x
  3. Step 3: Cross multiply
    126,907.36x = 175,127.21 × 72,462.22
  4. Step 4: Simplify right side
    126,907.36x = 12,690,106,790.76
  5. Step 5: Solve for x
    x = 12,690,106,790.76/126,907.36
  6. Step 6: Final answer
    x = 99,995.04

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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.