Home / 118,817.75-163,962.21-67,828.46

Finding the Fourth Proportional to 118,817.75, 163,962.21 and 67,828.46

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Solution

The fourth proportional to 118,817.75, 163,962.21 and 67,828.46 is: 93,599.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,817.75 : 163,962.21 = 67,828.46 : x
  2. Step 2: Convert to fraction form
    118,817.75/163,962.21 = 67,828.46/x
  3. Step 3: Cross multiply
    118,817.75x = 163,962.21 × 67,828.46
  4. Step 4: Simplify right side
    118,817.75x = 11,121,303,382.69
  5. Step 5: Solve for x
    x = 11,121,303,382.69/118,817.75
  6. Step 6: Final answer
    x = 93,599.68

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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.