Home / 149,543.58-224,339.67-49,686.78

Finding the Fourth Proportional to 149,543.58, 224,339.67 and 49,686.78

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Solution

The fourth proportional to 149,543.58, 224,339.67 and 49,686.78 is: 74,538.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,543.58 : 224,339.67 = 49,686.78 : x
  2. Step 2: Convert to fraction form
    149,543.58/224,339.67 = 49,686.78/x
  3. Step 3: Cross multiply
    149,543.58x = 224,339.67 × 49,686.78
  4. Step 4: Simplify right side
    149,543.58x = 11,146,715,828.56
  5. Step 5: Solve for x
    x = 11,146,715,828.56/149,543.58
  6. Step 6: Final answer
    x = 74,538.24

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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.