Home / 108,820.02-163,131.56-38,682.94

Finding the Fourth Proportional to 108,820.02, 163,131.56 and 38,682.94

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Solution

The fourth proportional to 108,820.02, 163,131.56 and 38,682.94 is: 57,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,820.02 : 163,131.56 = 38,682.94 : x
  2. Step 2: Convert to fraction form
    108,820.02/163,131.56 = 38,682.94/x
  3. Step 3: Cross multiply
    108,820.02x = 163,131.56 × 38,682.94
  4. Step 4: Simplify right side
    108,820.02x = 6,310,408,347.59
  5. Step 5: Solve for x
    x = 6,310,408,347.59/108,820.02
  6. Step 6: Final answer
    x = 57,989.41

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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.