Home / 141,927.63-195,851.18-81,455.71

Finding the Fourth Proportional to 141,927.63, 195,851.18 and 81,455.71

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Solution

The fourth proportional to 141,927.63, 195,851.18 and 81,455.71 is: 112,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,927.63 : 195,851.18 = 81,455.71 : x
  2. Step 2: Convert to fraction form
    141,927.63/195,851.18 = 81,455.71/x
  3. Step 3: Cross multiply
    141,927.63x = 195,851.18 × 81,455.71
  4. Step 4: Simplify right side
    141,927.63x = 15,953,196,635.25
  5. Step 5: Solve for x
    x = 15,953,196,635.25/141,927.63
  6. Step 6: Final answer
    x = 112,403.74

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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.