Home / 149,145.33-223,608.63-70,216.50

Finding the Fourth Proportional to 149,145.33, 223,608.63 and 70,216.50

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Solution

The fourth proportional to 149,145.33, 223,608.63 and 70,216.50 is: 105,273.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,145.33 : 223,608.63 = 70,216.50 : x
  2. Step 2: Convert to fraction form
    149,145.33/223,608.63 = 70,216.50/x
  3. Step 3: Cross multiply
    149,145.33x = 223,608.63 × 70,216.50
  4. Step 4: Simplify right side
    149,145.33x = 15,701,015,368.40
  5. Step 5: Solve for x
    x = 15,701,015,368.40/149,145.33
  6. Step 6: Final answer
    x = 105,273.26

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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.