Home / 166,859.14-230,271.51-91,407.64

Finding the Fourth Proportional to 166,859.14, 230,271.51 and 91,407.64

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Solution

The fourth proportional to 166,859.14, 230,271.51 and 91,407.64 is: 126,145.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,859.14 : 230,271.51 = 91,407.64 : x
  2. Step 2: Convert to fraction form
    166,859.14/230,271.51 = 91,407.64/x
  3. Step 3: Cross multiply
    166,859.14x = 230,271.51 × 91,407.64
  4. Step 4: Simplify right side
    166,859.14x = 21,048,575,288.34
  5. Step 5: Solve for x
    x = 21,048,575,288.34/166,859.14
  6. Step 6: Final answer
    x = 126,145.77

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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.