Home / 141,128.79-211,582.22-96,620.64

Finding the Fourth Proportional to 141,128.79, 211,582.22 and 96,620.64

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Solution

The fourth proportional to 141,128.79, 211,582.22 and 96,620.64 is: 144,854.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,128.79 : 211,582.22 = 96,620.64 : x
  2. Step 2: Convert to fraction form
    141,128.79/211,582.22 = 96,620.64/x
  3. Step 3: Cross multiply
    141,128.79x = 211,582.22 × 96,620.64
  4. Step 4: Simplify right side
    141,128.79x = 20,443,209,025.92
  5. Step 5: Solve for x
    x = 20,443,209,025.92/141,128.79
  6. Step 6: Final answer
    x = 144,854.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.