Home / 141,564.18-195,358.41-77,901.96

Finding the Fourth Proportional to 141,564.18, 195,358.41 and 77,901.96

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Solution

The fourth proportional to 141,564.18, 195,358.41 and 77,901.96 is: 107,504.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,564.18 : 195,358.41 = 77,901.96 : x
  2. Step 2: Convert to fraction form
    141,564.18/195,358.41 = 77,901.96/x
  3. Step 3: Cross multiply
    141,564.18x = 195,358.41 × 77,901.96
  4. Step 4: Simplify right side
    141,564.18x = 15,218,803,041.48
  5. Step 5: Solve for x
    x = 15,218,803,041.48/141,564.18
  6. Step 6: Final answer
    x = 107,504.62

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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.