Home / 149,147.40-223,756.12-49,307.58

Finding the Fourth Proportional to 149,147.40, 223,756.12 and 49,307.58

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Solution

The fourth proportional to 149,147.40, 223,756.12 and 49,307.58 is: 73,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,147.40 : 223,756.12 = 49,307.58 : x
  2. Step 2: Convert to fraction form
    149,147.40/223,756.12 = 49,307.58/x
  3. Step 3: Cross multiply
    149,147.40x = 223,756.12 × 49,307.58
  4. Step 4: Simplify right side
    149,147.40x = 11,032,872,787.39
  5. Step 5: Solve for x
    x = 11,032,872,787.39/149,147.40
  6. Step 6: Final answer
    x = 73,972.95

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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.