Home / 137,657.10-189,765.72-97,299.66

Finding the Fourth Proportional to 137,657.10, 189,765.72 and 97,299.66

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Solution

The fourth proportional to 137,657.10, 189,765.72 and 97,299.66 is: 134,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,657.10 : 189,765.72 = 97,299.66 : x
  2. Step 2: Convert to fraction form
    137,657.10/189,765.72 = 97,299.66/x
  3. Step 3: Cross multiply
    137,657.10x = 189,765.72 × 97,299.66
  4. Step 4: Simplify right side
    137,657.10x = 18,464,140,035.66
  5. Step 5: Solve for x
    x = 18,464,140,035.66/137,657.10
  6. Step 6: Final answer
    x = 134,131.40

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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.