Home / 149,309.70-223,316.55-133,628.10

Finding the Fourth Proportional to 149,309.70, 223,316.55 and 133,628.10

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Solution

The fourth proportional to 149,309.70, 223,316.55 and 133,628.10 is: 199,862.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,309.70 : 223,316.55 = 133,628.10 : x
  2. Step 2: Convert to fraction form
    149,309.70/223,316.55 = 133,628.10/x
  3. Step 3: Cross multiply
    149,309.70x = 223,316.55 × 133,628.10
  4. Step 4: Simplify right side
    149,309.70x = 29,841,366,275.06
  5. Step 5: Solve for x
    x = 29,841,366,275.06/149,309.70
  6. Step 6: Final answer
    x = 199,862.21

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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.