Home / 126,142.10-174,075.46-69,553.47

Finding the Fourth Proportional to 126,142.10, 174,075.46 and 69,553.47

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Solution

The fourth proportional to 126,142.10, 174,075.46 and 69,553.47 is: 95,983.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,142.10 : 174,075.46 = 69,553.47 : x
  2. Step 2: Convert to fraction form
    126,142.10/174,075.46 = 69,553.47/x
  3. Step 3: Cross multiply
    126,142.10x = 174,075.46 × 69,553.47
  4. Step 4: Simplify right side
    126,142.10x = 12,107,552,284.85
  5. Step 5: Solve for x
    x = 12,107,552,284.85/126,142.10
  6. Step 6: Final answer
    x = 95,983.44

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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.