Home / 118,616.02-163,692.15-64,905.73

Finding the Fourth Proportional to 118,616.02, 163,692.15 and 64,905.73

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Solution

The fourth proportional to 118,616.02, 163,692.15 and 64,905.73 is: 89,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,616.02 : 163,692.15 = 64,905.73 : x
  2. Step 2: Convert to fraction form
    118,616.02/163,692.15 = 64,905.73/x
  3. Step 3: Cross multiply
    118,616.02x = 163,692.15 × 64,905.73
  4. Step 4: Simplify right side
    118,616.02x = 10,624,558,491.02
  5. Step 5: Solve for x
    x = 10,624,558,491.02/118,616.02
  6. Step 6: Final answer
    x = 89,571.02

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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.