Home / 118,618.20-163,692.36-64,902.24

Finding the Fourth Proportional to 118,618.20, 163,692.36 and 64,902.24

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Solution

The fourth proportional to 118,618.20, 163,692.36 and 64,902.24 is: 89,564.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,618.20 : 163,692.36 = 64,902.24 : x
  2. Step 2: Convert to fraction form
    118,618.20/163,692.36 = 64,902.24/x
  3. Step 3: Cross multiply
    118,618.20x = 163,692.36 × 64,902.24
  4. Step 4: Simplify right side
    118,618.20x = 10,624,000,834.89
  5. Step 5: Solve for x
    x = 10,624,000,834.89/118,618.20
  6. Step 6: Final answer
    x = 89,564.68

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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.