Home / 105,511.84-158,213.04-46,320.64

Finding the Fourth Proportional to 105,511.84, 158,213.04 and 46,320.64

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Solution

The fourth proportional to 105,511.84, 158,213.04 and 46,320.64 is: 69,456.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,511.84 : 158,213.04 = 46,320.64 : x
  2. Step 2: Convert to fraction form
    105,511.84/158,213.04 = 46,320.64/x
  3. Step 3: Cross multiply
    105,511.84x = 158,213.04 × 46,320.64
  4. Step 4: Simplify right side
    105,511.84x = 7,328,529,269.15
  5. Step 5: Solve for x
    x = 7,328,529,269.15/105,511.84
  6. Step 6: Final answer
    x = 69,456.94

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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.