Home / 141,090.34-194,708.46-77,430.43

Finding the Fourth Proportional to 141,090.34, 194,708.46 and 77,430.43

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Solution

The fourth proportional to 141,090.34, 194,708.46 and 77,430.43 is: 106,856.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,090.34 : 194,708.46 = 77,430.43 : x
  2. Step 2: Convert to fraction form
    141,090.34/194,708.46 = 77,430.43/x
  3. Step 3: Cross multiply
    141,090.34x = 194,708.46 × 77,430.43
  4. Step 4: Simplify right side
    141,090.34x = 15,076,359,782.44
  5. Step 5: Solve for x
    x = 15,076,359,782.44/141,090.34
  6. Step 6: Final answer
    x = 106,856.07

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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.