Home / 108,189.63-149,301.36-60,442.56

Finding the Fourth Proportional to 108,189.63, 149,301.36 and 60,442.56

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Solution

The fourth proportional to 108,189.63, 149,301.36 and 60,442.56 is: 83,410.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,189.63 : 149,301.36 = 60,442.56 : x
  2. Step 2: Convert to fraction form
    108,189.63/149,301.36 = 60,442.56/x
  3. Step 3: Cross multiply
    108,189.63x = 149,301.36 × 60,442.56
  4. Step 4: Simplify right side
    108,189.63x = 9,024,156,409.88
  5. Step 5: Solve for x
    x = 9,024,156,409.88/108,189.63
  6. Step 6: Final answer
    x = 83,410.55

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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.