Home / 115,736.80-173,864.40-111,013.60

Finding the Fourth Proportional to 115,736.80, 173,864.40 and 111,013.60

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Solution

The fourth proportional to 115,736.80, 173,864.40 and 111,013.60 is: 166,769.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,736.80 : 173,864.40 = 111,013.60 : x
  2. Step 2: Convert to fraction form
    115,736.80/173,864.40 = 111,013.60/x
  3. Step 3: Cross multiply
    115,736.80x = 173,864.40 × 111,013.60
  4. Step 4: Simplify right side
    115,736.80x = 19,301,312,955.84
  5. Step 5: Solve for x
    x = 19,301,312,955.84/115,736.80
  6. Step 6: Final answer
    x = 166,769.02

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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.