Home / 141,186.83-211,718.07-66,328.25

Finding the Fourth Proportional to 141,186.83, 211,718.07 and 66,328.25

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Solution

The fourth proportional to 141,186.83, 211,718.07 and 66,328.25 is: 99,463.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,186.83 : 211,718.07 = 66,328.25 : x
  2. Step 2: Convert to fraction form
    141,186.83/211,718.07 = 66,328.25/x
  3. Step 3: Cross multiply
    141,186.83x = 211,718.07 × 66,328.25
  4. Step 4: Simplify right side
    141,186.83x = 14,042,889,076.48
  5. Step 5: Solve for x
    x = 14,042,889,076.48/141,186.83
  6. Step 6: Final answer
    x = 99,463.17

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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.