Home / 140,817.78-194,173.02-89,749.80

Finding the Fourth Proportional to 140,817.78, 194,173.02 and 89,749.80

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Solution

The fourth proportional to 140,817.78, 194,173.02 and 89,749.80 is: 123,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,817.78 : 194,173.02 = 89,749.80 : x
  2. Step 2: Convert to fraction form
    140,817.78/194,173.02 = 89,749.80/x
  3. Step 3: Cross multiply
    140,817.78x = 194,173.02 × 89,749.80
  4. Step 4: Simplify right side
    140,817.78x = 17,426,989,710.40
  5. Step 5: Solve for x
    x = 17,426,989,710.40/140,817.78
  6. Step 6: Final answer
    x = 123,755.61

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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.