Home / 108,437.22-149,697.63-68,173.16

Finding the Fourth Proportional to 108,437.22, 149,697.63 and 68,173.16

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Solution

The fourth proportional to 108,437.22, 149,697.63 and 68,173.16 is: 94,113.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,437.22 : 149,697.63 = 68,173.16 : x
  2. Step 2: Convert to fraction form
    108,437.22/149,697.63 = 68,173.16/x
  3. Step 3: Cross multiply
    108,437.22x = 149,697.63 × 68,173.16
  4. Step 4: Simplify right side
    108,437.22x = 10,205,359,733.12
  5. Step 5: Solve for x
    x = 10,205,359,733.12/108,437.22
  6. Step 6: Final answer
    x = 94,113.07

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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.