Home / 149,106.14-223,730.90-74,232.78

Finding the Fourth Proportional to 149,106.14, 223,730.90 and 74,232.78

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Solution

The fourth proportional to 149,106.14, 223,730.90 and 74,232.78 is: 111,384.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,106.14 : 223,730.90 = 74,232.78 : x
  2. Step 2: Convert to fraction form
    149,106.14/223,730.90 = 74,232.78/x
  3. Step 3: Cross multiply
    149,106.14x = 223,730.90 × 74,232.78
  4. Step 4: Simplify right side
    149,106.14x = 16,608,166,678.90
  5. Step 5: Solve for x
    x = 16,608,166,678.90/149,106.14
  6. Step 6: Final answer
    x = 111,384.86

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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.