Home / 149,032.53-223,647.27-70,169.31

Finding the Fourth Proportional to 149,032.53, 223,647.27 and 70,169.31

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Solution

The fourth proportional to 149,032.53, 223,647.27 and 70,169.31 is: 105,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,032.53 : 223,647.27 = 70,169.31 : x
  2. Step 2: Convert to fraction form
    149,032.53/223,647.27 = 70,169.31/x
  3. Step 3: Cross multiply
    149,032.53x = 223,647.27 × 70,169.31
  4. Step 4: Simplify right side
    149,032.53x = 15,693,174,619.28
  5. Step 5: Solve for x
    x = 15,693,174,619.28/149,032.53
  6. Step 6: Final answer
    x = 105,300.33

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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.