Home / 289,331.20-433,996.80-184,225.60

Finding the Fourth Proportional to 289,331.20, 433,996.80 and 184,225.60

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Solution

The fourth proportional to 289,331.20, 433,996.80 and 184,225.60 is: 276,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,331.20 : 433,996.80 = 184,225.60 : x
  2. Step 2: Convert to fraction form
    289,331.20/433,996.80 = 184,225.60/x
  3. Step 3: Cross multiply
    289,331.20x = 433,996.80 × 184,225.60
  4. Step 4: Simplify right side
    289,331.20x = 79,953,320,878.08
  5. Step 5: Solve for x
    x = 79,953,320,878.08/289,331.20
  6. Step 6: Final answer
    x = 276,338.40

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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.