Home / 115,667.52-158,462.04-111,350.22

Finding the Fourth Proportional to 115,667.52, 158,462.04 and 111,350.22

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Solution

The fourth proportional to 115,667.52, 158,462.04 and 111,350.22 is: 152,547.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,667.52 : 158,462.04 = 111,350.22 : x
  2. Step 2: Convert to fraction form
    115,667.52/158,462.04 = 111,350.22/x
  3. Step 3: Cross multiply
    115,667.52x = 158,462.04 × 111,350.22
  4. Step 4: Simplify right side
    115,667.52x = 17,644,783,015.65
  5. Step 5: Solve for x
    x = 17,644,783,015.65/115,667.52
  6. Step 6: Final answer
    x = 152,547.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.