Home / 135,294.42-202,943-60,418.36

Finding the Fourth Proportional to 135,294.42, 202,943 and 60,418.36

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Solution

The fourth proportional to 135,294.42, 202,943 and 60,418.36 is: 90,628.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,294.42 : 202,943 = 60,418.36 : x
  2. Step 2: Convert to fraction form
    135,294.42/202,943 = 60,418.36/x
  3. Step 3: Cross multiply
    135,294.42x = 202,943 × 60,418.36
  4. Step 4: Simplify right side
    135,294.42x = 12,261,483,233.48
  5. Step 5: Solve for x
    x = 12,261,483,233.48/135,294.42
  6. Step 6: Final answer
    x = 90,628.15

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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.