Home / 201,945.45-278,681.10-110,065.56

Finding the Fourth Proportional to 201,945.45, 278,681.10 and 110,065.56

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Solution

The fourth proportional to 201,945.45, 278,681.10 and 110,065.56 is: 151,888.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,945.45 : 278,681.10 = 110,065.56 : x
  2. Step 2: Convert to fraction form
    201,945.45/278,681.10 = 110,065.56/x
  3. Step 3: Cross multiply
    201,945.45x = 278,681.10 × 110,065.56
  4. Step 4: Simplify right side
    201,945.45x = 30,673,190,782.59
  5. Step 5: Solve for x
    x = 30,673,190,782.59/201,945.45
  6. Step 6: Final answer
    x = 151,888.50

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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.