Home / 641,355.45-962,088.26-168,040.86

Finding the Fourth Proportional to 641,355.45, 962,088.26 and 168,040.86

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Solution

The fourth proportional to 641,355.45, 962,088.26 and 168,040.86 is: 252,075.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,355.45 : 962,088.26 = 168,040.86 : x
  2. Step 2: Convert to fraction form
    641,355.45/962,088.26 = 168,040.86/x
  3. Step 3: Cross multiply
    641,355.45x = 962,088.26 × 168,040.86
  4. Step 4: Simplify right side
    641,355.45x = 161,670,137,766.10
  5. Step 5: Solve for x
    x = 161,670,137,766.10/641,355.45
  6. Step 6: Final answer
    x = 252,075.72

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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.