Home / 118,321.86-177,511.02-39,436.77

Finding the Fourth Proportional to 118,321.86, 177,511.02 and 39,436.77

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Solution

The fourth proportional to 118,321.86, 177,511.02 and 39,436.77 is: 59,164.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,321.86 : 177,511.02 = 39,436.77 : x
  2. Step 2: Convert to fraction form
    118,321.86/177,511.02 = 39,436.77/x
  3. Step 3: Cross multiply
    118,321.86x = 177,511.02 × 39,436.77
  4. Step 4: Simplify right side
    118,321.86x = 7,000,461,268.21
  5. Step 5: Solve for x
    x = 7,000,461,268.21/118,321.86
  6. Step 6: Final answer
    x = 59,164.56

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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.