Home / 118,189.04-176,361.74-105,451.22

Finding the Fourth Proportional to 118,189.04, 176,361.74 and 105,451.22

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Solution

The fourth proportional to 118,189.04, 176,361.74 and 105,451.22 is: 157,354.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,189.04 : 176,361.74 = 105,451.22 : x
  2. Step 2: Convert to fraction form
    118,189.04/176,361.74 = 105,451.22/x
  3. Step 3: Cross multiply
    118,189.04x = 176,361.74 × 105,451.22
  4. Step 4: Simplify right side
    118,189.04x = 18,597,561,481.81
  5. Step 5: Solve for x
    x = 18,597,561,481.81/118,189.04
  6. Step 6: Final answer
    x = 157,354.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.