Home / 102,319.02-141,198.12-56,996.94

Finding the Fourth Proportional to 102,319.02, 141,198.12 and 56,996.94

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Solution

The fourth proportional to 102,319.02, 141,198.12 and 56,996.94 is: 78,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,319.02 : 141,198.12 = 56,996.94 : x
  2. Step 2: Convert to fraction form
    102,319.02/141,198.12 = 56,996.94/x
  3. Step 3: Cross multiply
    102,319.02x = 141,198.12 × 56,996.94
  4. Step 4: Simplify right side
    102,319.02x = 8,047,860,773.75
  5. Step 5: Solve for x
    x = 8,047,860,773.75/102,319.02
  6. Step 6: Final answer
    x = 78,654.59

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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.