Home / 288,999.26-433,535.82-111,557.02

Finding the Fourth Proportional to 288,999.26, 433,535.82 and 111,557.02

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Solution

The fourth proportional to 288,999.26, 433,535.82 and 111,557.02 is: 167,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,999.26 : 433,535.82 = 111,557.02 : x
  2. Step 2: Convert to fraction form
    288,999.26/433,535.82 = 111,557.02/x
  3. Step 3: Cross multiply
    288,999.26x = 433,535.82 × 111,557.02
  4. Step 4: Simplify right side
    288,999.26x = 48,363,961,416.99
  5. Step 5: Solve for x
    x = 48,363,961,416.99/288,999.26
  6. Step 6: Final answer
    x = 167,349.78

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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.