Home / 141,857.40-195,701.16-93,396.81

Finding the Fourth Proportional to 141,857.40, 195,701.16 and 93,396.81

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Solution

The fourth proportional to 141,857.40, 195,701.16 and 93,396.81 is: 128,846.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,857.40 : 195,701.16 = 93,396.81 : x
  2. Step 2: Convert to fraction form
    141,857.40/195,701.16 = 93,396.81/x
  3. Step 3: Cross multiply
    141,857.40x = 195,701.16 × 93,396.81
  4. Step 4: Simplify right side
    141,857.40x = 18,277,864,057.30
  5. Step 5: Solve for x
    x = 18,277,864,057.30/141,857.40
  6. Step 6: Final answer
    x = 128,846.74

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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.