Home / 193,537.15-290,305.75-60,428.81

Finding the Fourth Proportional to 193,537.15, 290,305.75 and 60,428.81

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Solution

The fourth proportional to 193,537.15, 290,305.75 and 60,428.81 is: 90,643.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,537.15 : 290,305.75 = 60,428.81 : x
  2. Step 2: Convert to fraction form
    193,537.15/290,305.75 = 60,428.81/x
  3. Step 3: Cross multiply
    193,537.15x = 290,305.75 × 60,428.81
  4. Step 4: Simplify right side
    193,537.15x = 17,542,829,254.98
  5. Step 5: Solve for x
    x = 17,542,829,254.98/193,537.15
  6. Step 6: Final answer
    x = 90,643.21

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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.