Home / 175,259.40-262,889.10-121,806.60

Finding the Fourth Proportional to 175,259.40, 262,889.10 and 121,806.60

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Solution

The fourth proportional to 175,259.40, 262,889.10 and 121,806.60 is: 182,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,259.40 : 262,889.10 = 121,806.60 : x
  2. Step 2: Convert to fraction form
    175,259.40/262,889.10 = 121,806.60/x
  3. Step 3: Cross multiply
    175,259.40x = 262,889.10 × 121,806.60
  4. Step 4: Simplify right side
    175,259.40x = 32,021,627,448.06
  5. Step 5: Solve for x
    x = 32,021,627,448.06/175,259.40
  6. Step 6: Final answer
    x = 182,709.90

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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.