Home / 149,939.84-224,798.66-90,761.52

Finding the Fourth Proportional to 149,939.84, 224,798.66 and 90,761.52

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Solution

The fourth proportional to 149,939.84, 224,798.66 and 90,761.52 is: 136,075.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,939.84 : 224,798.66 = 90,761.52 : x
  2. Step 2: Convert to fraction form
    149,939.84/224,798.66 = 90,761.52/x
  3. Step 3: Cross multiply
    149,939.84x = 224,798.66 × 90,761.52
  4. Step 4: Simplify right side
    149,939.84x = 20,403,068,075.56
  5. Step 5: Solve for x
    x = 20,403,068,075.56/149,939.84
  6. Step 6: Final answer
    x = 136,075.03

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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.