Home / 173,205.10-259,807.65-106,428.70

Finding the Fourth Proportional to 173,205.10, 259,807.65 and 106,428.70

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Solution

The fourth proportional to 173,205.10, 259,807.65 and 106,428.70 is: 159,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,205.10 : 259,807.65 = 106,428.70 : x
  2. Step 2: Convert to fraction form
    173,205.10/259,807.65 = 106,428.70/x
  3. Step 3: Cross multiply
    173,205.10x = 259,807.65 × 106,428.70
  4. Step 4: Simplify right side
    173,205.10x = 27,650,990,439.56
  5. Step 5: Solve for x
    x = 27,650,990,439.56/173,205.10
  6. Step 6: Final answer
    x = 159,643.05

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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.