Home / 141,455.05-195,210.34-81,030.97

Finding the Fourth Proportional to 141,455.05, 195,210.34 and 81,030.97

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Solution

The fourth proportional to 141,455.05, 195,210.34 and 81,030.97 is: 111,824.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,455.05 : 195,210.34 = 81,030.97 : x
  2. Step 2: Convert to fraction form
    141,455.05/195,210.34 = 81,030.97/x
  3. Step 3: Cross multiply
    141,455.05x = 195,210.34 × 81,030.97
  4. Step 4: Simplify right side
    141,455.05x = 15,818,083,204.23
  5. Step 5: Solve for x
    x = 15,818,083,204.23/141,455.05
  6. Step 6: Final answer
    x = 111,824.10

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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.