Home / 149,756.39-206,312.62-104,352.00

Finding the Fourth Proportional to 149,756.39, 206,312.62 and 104,352.00

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Solution

The fourth proportional to 149,756.39, 206,312.62 and 104,352.00 is: 143,761.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,756.39 : 206,312.62 = 104,352.00 : x
  2. Step 2: Convert to fraction form
    149,756.39/206,312.62 = 104,352.00/x
  3. Step 3: Cross multiply
    149,756.39x = 206,312.62 × 104,352.00
  4. Step 4: Simplify right side
    149,756.39x = 21,529,133,683.35
  5. Step 5: Solve for x
    x = 21,529,133,683.35/149,756.39
  6. Step 6: Final answer
    x = 143,761.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.