Home / 114,667.65-158,242.36-66,911.77

Finding the Fourth Proportional to 114,667.65, 158,242.36 and 66,911.77

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Solution

The fourth proportional to 114,667.65, 158,242.36 and 66,911.77 is: 92,338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,667.65 : 158,242.36 = 66,911.77 : x
  2. Step 2: Convert to fraction form
    114,667.65/158,242.36 = 66,911.77/x
  3. Step 3: Cross multiply
    114,667.65x = 158,242.36 × 66,911.77
  4. Step 4: Simplify right side
    114,667.65x = 10,588,276,552.56
  5. Step 5: Solve for x
    x = 10,588,276,552.56/114,667.65
  6. Step 6: Final answer
    x = 92,338.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.