Home / 144,966.66-200,062.26-81,299.40

Finding the Fourth Proportional to 144,966.66, 200,062.26 and 81,299.40

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Solution

The fourth proportional to 144,966.66, 200,062.26 and 81,299.40 is: 112,197.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,966.66 : 200,062.26 = 81,299.40 : x
  2. Step 2: Convert to fraction form
    144,966.66/200,062.26 = 81,299.40/x
  3. Step 3: Cross multiply
    144,966.66x = 200,062.26 × 81,299.40
  4. Step 4: Simplify right side
    144,966.66x = 16,264,941,700.64
  5. Step 5: Solve for x
    x = 16,264,941,700.64/144,966.66
  6. Step 6: Final answer
    x = 112,197.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.