Home / 122,018.25-168,376.96-67,566.50

Finding the Fourth Proportional to 122,018.25, 168,376.96 and 67,566.50

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Solution

The fourth proportional to 122,018.25, 168,376.96 and 67,566.50 is: 93,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,018.25 : 168,376.96 = 67,566.50 : x
  2. Step 2: Convert to fraction form
    122,018.25/168,376.96 = 67,566.50/x
  3. Step 3: Cross multiply
    122,018.25x = 168,376.96 × 67,566.50
  4. Step 4: Simplify right side
    122,018.25x = 11,376,641,867.84
  5. Step 5: Solve for x
    x = 11,376,641,867.84/122,018.25
  6. Step 6: Final answer
    x = 93,237.22

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1.5x scale

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.