Home / 193,220.02-289,824.81-86,575.02

Finding the Fourth Proportional to 193,220.02, 289,824.81 and 86,575.02

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Solution

The fourth proportional to 193,220.02, 289,824.81 and 86,575.02 is: 129,860.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,220.02 : 289,824.81 = 86,575.02 : x
  2. Step 2: Convert to fraction form
    193,220.02/289,824.81 = 86,575.02/x
  3. Step 3: Cross multiply
    193,220.02x = 289,824.81 × 86,575.02
  4. Step 4: Simplify right side
    193,220.02x = 25,091,588,722.25
  5. Step 5: Solve for x
    x = 25,091,588,722.25/193,220.02
  6. Step 6: Final answer
    x = 129,860.19

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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.