Home / 153,786.60-211,910.58-113,436.54

Finding the Fourth Proportional to 153,786.60, 211,910.58 and 113,436.54

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Solution

The fourth proportional to 153,786.60, 211,910.58 and 113,436.54 is: 156,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,786.60 : 211,910.58 = 113,436.54 : x
  2. Step 2: Convert to fraction form
    153,786.60/211,910.58 = 113,436.54/x
  3. Step 3: Cross multiply
    153,786.60x = 211,910.58 × 113,436.54
  4. Step 4: Simplify right side
    153,786.60x = 24,038,402,984.59
  5. Step 5: Solve for x
    x = 24,038,402,984.59/153,786.60
  6. Step 6: Final answer
    x = 156,310.13

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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.