Home / 126,041.10-188,883.45-69,905.94

Finding the Fourth Proportional to 126,041.10, 188,883.45 and 69,905.94

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Solution

The fourth proportional to 126,041.10, 188,883.45 and 69,905.94 is: 104,760.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,041.10 : 188,883.45 = 69,905.94 : x
  2. Step 2: Convert to fraction form
    126,041.10/188,883.45 = 69,905.94/x
  3. Step 3: Cross multiply
    126,041.10x = 188,883.45 × 69,905.94
  4. Step 4: Simplify right side
    126,041.10x = 13,204,075,122.69
  5. Step 5: Solve for x
    x = 13,204,075,122.69/126,041.10
  6. Step 6: Final answer
    x = 104,760.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.