Home / 102,193.73-141,028.29-56,873.63

Finding the Fourth Proportional to 102,193.73, 141,028.29 and 56,873.63

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Solution

The fourth proportional to 102,193.73, 141,028.29 and 56,873.63 is: 78,486.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,193.73 : 141,028.29 = 56,873.63 : x
  2. Step 2: Convert to fraction form
    102,193.73/141,028.29 = 56,873.63/x
  3. Step 3: Cross multiply
    102,193.73x = 141,028.29 × 56,873.63
  4. Step 4: Simplify right side
    102,193.73x = 8,020,790,784.99
  5. Step 5: Solve for x
    x = 8,020,790,784.99/102,193.73
  6. Step 6: Final answer
    x = 78,486.13

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1.5x scale

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.