Home / 102,206.14-141,043.07-56,884.12

Finding the Fourth Proportional to 102,206.14, 141,043.07 and 56,884.12

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Solution

The fourth proportional to 102,206.14, 141,043.07 and 56,884.12 is: 78,499.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,206.14 : 141,043.07 = 56,884.12 : x
  2. Step 2: Convert to fraction form
    102,206.14/141,043.07 = 56,884.12/x
  3. Step 3: Cross multiply
    102,206.14x = 141,043.07 × 56,884.12
  4. Step 4: Simplify right side
    102,206.14x = 8,023,109,929.41
  5. Step 5: Solve for x
    x = 8,023,109,929.41/102,206.14
  6. Step 6: Final answer
    x = 78,499.29

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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.