Home / 173,883.10-260,836.80-68,688.40

Finding the Fourth Proportional to 173,883.10, 260,836.80 and 68,688.40

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Solution

The fourth proportional to 173,883.10, 260,836.80 and 68,688.40 is: 103,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,883.10 : 260,836.80 = 68,688.40 : x
  2. Step 2: Convert to fraction form
    173,883.10/260,836.80 = 68,688.40/x
  3. Step 3: Cross multiply
    173,883.10x = 260,836.80 × 68,688.40
  4. Step 4: Simplify right side
    173,883.10x = 17,916,462,453.12
  5. Step 5: Solve for x
    x = 17,916,462,453.12/173,883.10
  6. Step 6: Final answer
    x = 103,037.40

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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.