Home / 118,733.02-178,104.99-66,102.86

Finding the Fourth Proportional to 118,733.02, 178,104.99 and 66,102.86

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Solution

The fourth proportional to 118,733.02, 178,104.99 and 66,102.86 is: 99,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,733.02 : 178,104.99 = 66,102.86 : x
  2. Step 2: Convert to fraction form
    118,733.02/178,104.99 = 66,102.86/x
  3. Step 3: Cross multiply
    118,733.02x = 178,104.99 × 66,102.86
  4. Step 4: Simplify right side
    118,733.02x = 11,773,249,219.27
  5. Step 5: Solve for x
    x = 11,773,249,219.27/118,733.02
  6. Step 6: Final answer
    x = 99,157.33

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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.