Home / 193,619.68-290,254.56-134,483.20

Finding the Fourth Proportional to 193,619.68, 290,254.56 and 134,483.20

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Solution

The fourth proportional to 193,619.68, 290,254.56 and 134,483.20 is: 201,603.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,619.68 : 290,254.56 = 134,483.20 : x
  2. Step 2: Convert to fraction form
    193,619.68/290,254.56 = 134,483.20/x
  3. Step 3: Cross multiply
    193,619.68x = 290,254.56 × 134,483.20
  4. Step 4: Simplify right side
    193,619.68x = 39,034,362,043.39
  5. Step 5: Solve for x
    x = 39,034,362,043.39/193,619.68
  6. Step 6: Final answer
    x = 201,603.28

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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.