Home / 140,216.19-210,322.26-65,294.43

Finding the Fourth Proportional to 140,216.19, 210,322.26 and 65,294.43

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Solution

The fourth proportional to 140,216.19, 210,322.26 and 65,294.43 is: 97,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,216.19 : 210,322.26 = 65,294.43 : x
  2. Step 2: Convert to fraction form
    140,216.19/210,322.26 = 65,294.43/x
  3. Step 3: Cross multiply
    140,216.19x = 210,322.26 × 65,294.43
  4. Step 4: Simplify right side
    140,216.19x = 13,732,872,083.01
  5. Step 5: Solve for x
    x = 13,732,872,083.01/140,216.19
  6. Step 6: Final answer
    x = 97,940.70

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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.