Home / 282,372.28-421,067.51-243,181.24

Finding the Fourth Proportional to 282,372.28, 421,067.51 and 243,181.24

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Solution

The fourth proportional to 282,372.28, 421,067.51 and 243,181.24 is: 362,626.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,372.28 : 421,067.51 = 243,181.24 : x
  2. Step 2: Convert to fraction form
    282,372.28/421,067.51 = 243,181.24/x
  3. Step 3: Cross multiply
    282,372.28x = 421,067.51 × 243,181.24
  4. Step 4: Simplify right side
    282,372.28x = 102,395,719,205.51
  5. Step 5: Solve for x
    x = 102,395,719,205.51/282,372.28
  6. Step 6: Final answer
    x = 362,626.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.