Home / 141,942.59-195,880.95-77,411.96

Finding the Fourth Proportional to 141,942.59, 195,880.95 and 77,411.96

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Solution

The fourth proportional to 141,942.59, 195,880.95 and 77,411.96 is: 106,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,942.59 : 195,880.95 = 77,411.96 : x
  2. Step 2: Convert to fraction form
    141,942.59/195,880.95 = 77,411.96/x
  3. Step 3: Cross multiply
    141,942.59x = 195,880.95 × 77,411.96
  4. Step 4: Simplify right side
    141,942.59x = 15,163,528,021.31
  5. Step 5: Solve for x
    x = 15,163,528,021.31/141,942.59
  6. Step 6: Final answer
    x = 106,828.60

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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.