Home / 141,156.60-194,790.20-77,495.86

Finding the Fourth Proportional to 141,156.60, 194,790.20 and 77,495.86

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Solution

The fourth proportional to 141,156.60, 194,790.20 and 77,495.86 is: 106,941.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,156.60 : 194,790.20 = 77,495.86 : x
  2. Step 2: Convert to fraction form
    141,156.60/194,790.20 = 77,495.86/x
  3. Step 3: Cross multiply
    141,156.60x = 194,790.20 × 77,495.86
  4. Step 4: Simplify right side
    141,156.60x = 15,095,434,068.57
  5. Step 5: Solve for x
    x = 15,095,434,068.57/141,156.60
  6. Step 6: Final answer
    x = 106,941.04

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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.