Home / 108,181.74-149,272.56-60,435.48

Finding the Fourth Proportional to 108,181.74, 149,272.56 and 60,435.48

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Solution

The fourth proportional to 108,181.74, 149,272.56 and 60,435.48 is: 83,390.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,181.74 : 149,272.56 = 60,435.48 : x
  2. Step 2: Convert to fraction form
    108,181.74/149,272.56 = 60,435.48/x
  3. Step 3: Cross multiply
    108,181.74x = 149,272.56 × 60,435.48
  4. Step 4: Simplify right side
    108,181.74x = 9,021,358,814.43
  5. Step 5: Solve for x
    x = 9,021,358,814.43/108,181.74
  6. Step 6: Final answer
    x = 83,390.77

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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.