Home / 328,867.60-493,819.80-188,899.60

Finding the Fourth Proportional to 328,867.60, 493,819.80 and 188,899.60

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Solution

The fourth proportional to 328,867.60, 493,819.80 and 188,899.60 is: 283,647.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,867.60 : 493,819.80 = 188,899.60 : x
  2. Step 2: Convert to fraction form
    328,867.60/493,819.80 = 188,899.60/x
  3. Step 3: Cross multiply
    328,867.60x = 493,819.80 × 188,899.60
  4. Step 4: Simplify right side
    328,867.60x = 93,282,362,692.08
  5. Step 5: Solve for x
    x = 93,282,362,692.08/328,867.60
  6. Step 6: Final answer
    x = 283,647.17

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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.