Home / 140,897.30-194,447.32-77,235.26

Finding the Fourth Proportional to 140,897.30, 194,447.32 and 77,235.26

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Solution

The fourth proportional to 140,897.30, 194,447.32 and 77,235.26 is: 106,589.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,897.30 : 194,447.32 = 77,235.26 : x
  2. Step 2: Convert to fraction form
    140,897.30/194,447.32 = 77,235.26/x
  3. Step 3: Cross multiply
    140,897.30x = 194,447.32 × 77,235.26
  4. Step 4: Simplify right side
    140,897.30x = 15,018,189,316.50
  5. Step 5: Solve for x
    x = 15,018,189,316.50/140,897.30
  6. Step 6: Final answer
    x = 106,589.62

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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.