Home / 171,615.05-236,566.27-120,484.34

Finding the Fourth Proportional to 171,615.05, 236,566.27 and 120,484.34

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Solution

The fourth proportional to 171,615.05, 236,566.27 and 120,484.34 is: 166,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,615.05 : 236,566.27 = 120,484.34 : x
  2. Step 2: Convert to fraction form
    171,615.05/236,566.27 = 120,484.34/x
  3. Step 3: Cross multiply
    171,615.05x = 236,566.27 × 120,484.34
  4. Step 4: Simplify right side
    171,615.05x = 28,502,530,907.21
  5. Step 5: Solve for x
    x = 28,502,530,907.21/171,615.05
  6. Step 6: Final answer
    x = 166,084.10

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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.