Home / 141,477.93-195,267.27-81,089.04

Finding the Fourth Proportional to 141,477.93, 195,267.27 and 81,089.04

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Solution

The fourth proportional to 141,477.93, 195,267.27 and 81,089.04 is: 111,918.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,477.93 : 195,267.27 = 81,089.04 : x
  2. Step 2: Convert to fraction form
    141,477.93/195,267.27 = 81,089.04/x
  3. Step 3: Cross multiply
    141,477.93x = 195,267.27 × 81,089.04
  4. Step 4: Simplify right side
    141,477.93x = 15,834,035,467.72
  5. Step 5: Solve for x
    x = 15,834,035,467.72/141,477.93
  6. Step 6: Final answer
    x = 111,918.77

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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.