Home / 115,830.80-174,005.40-111,107.60

Finding the Fourth Proportional to 115,830.80, 174,005.40 and 111,107.60

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Solution

The fourth proportional to 115,830.80, 174,005.40 and 111,107.60 is: 166,910.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,830.80 : 174,005.40 = 111,107.60 : x
  2. Step 2: Convert to fraction form
    115,830.80/174,005.40 = 111,107.60/x
  3. Step 3: Cross multiply
    115,830.80x = 174,005.40 × 111,107.60
  4. Step 4: Simplify right side
    115,830.80x = 19,333,322,381.04
  5. Step 5: Solve for x
    x = 19,333,322,381.04/115,830.80
  6. Step 6: Final answer
    x = 166,910.03

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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.