Home / 291,421.32-436,981.58-133,514.44

Finding the Fourth Proportional to 291,421.32, 436,981.58 and 133,514.44

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Solution

The fourth proportional to 291,421.32, 436,981.58 and 133,514.44 is: 200,202.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,421.32 : 436,981.58 = 133,514.44 : x
  2. Step 2: Convert to fraction form
    291,421.32/436,981.58 = 133,514.44/x
  3. Step 3: Cross multiply
    291,421.32x = 436,981.58 × 133,514.44
  4. Step 4: Simplify right side
    291,421.32x = 58,343,350,944.02
  5. Step 5: Solve for x
    x = 58,343,350,944.02/291,421.32
  6. Step 6: Final answer
    x = 200,202.75

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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.