Home / 115,923.10-173,884.65-112,642.60

Finding the Fourth Proportional to 115,923.10, 173,884.65 and 112,642.60

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Solution

The fourth proportional to 115,923.10, 173,884.65 and 112,642.60 is: 168,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,923.10 : 173,884.65 = 112,642.60 : x
  2. Step 2: Convert to fraction form
    115,923.10/173,884.65 = 112,642.60/x
  3. Step 3: Cross multiply
    115,923.10x = 173,884.65 × 112,642.60
  4. Step 4: Simplify right side
    115,923.10x = 19,586,819,076.09
  5. Step 5: Solve for x
    x = 19,586,819,076.09/115,923.10
  6. Step 6: Final answer
    x = 168,963.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.