Home / 236,611.83-326,522.64-129,181.86

Finding the Fourth Proportional to 236,611.83, 326,522.64 and 129,181.86

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Solution

The fourth proportional to 236,611.83, 326,522.64 and 129,181.86 is: 178,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,611.83 : 326,522.64 = 129,181.86 : x
  2. Step 2: Convert to fraction form
    236,611.83/326,522.64 = 129,181.86/x
  3. Step 3: Cross multiply
    236,611.83x = 326,522.64 × 129,181.86
  4. Step 4: Simplify right side
    236,611.83x = 42,180,801,967.31
  5. Step 5: Solve for x
    x = 42,180,801,967.31/236,611.83
  6. Step 6: Final answer
    x = 178,270.05

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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.