Home / 141,332.85-195,038.42-76,801.77

Finding the Fourth Proportional to 141,332.85, 195,038.42 and 76,801.77

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Solution

The fourth proportional to 141,332.85, 195,038.42 and 76,801.77 is: 105,985.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,332.85 : 195,038.42 = 76,801.77 : x
  2. Step 2: Convert to fraction form
    141,332.85/195,038.42 = 76,801.77/x
  3. Step 3: Cross multiply
    141,332.85x = 195,038.42 × 76,801.77
  4. Step 4: Simplify right side
    141,332.85x = 14,979,295,489.99
  5. Step 5: Solve for x
    x = 14,979,295,489.99/141,332.85
  6. Step 6: Final answer
    x = 105,985.94

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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.