Home / 156,007.80-234,011.70-108,768.60

Finding the Fourth Proportional to 156,007.80, 234,011.70 and 108,768.60

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Solution

The fourth proportional to 156,007.80, 234,011.70 and 108,768.60 is: 163,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,007.80 : 234,011.70 = 108,768.60 : x
  2. Step 2: Convert to fraction form
    156,007.80/234,011.70 = 108,768.60/x
  3. Step 3: Cross multiply
    156,007.80x = 234,011.70 × 108,768.60
  4. Step 4: Simplify right side
    156,007.80x = 25,453,124,992.62
  5. Step 5: Solve for x
    x = 25,453,124,992.62/156,007.80
  6. Step 6: Final answer
    x = 163,152.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.