Home / 296,960.22-445,228.79-139,102.56

Finding the Fourth Proportional to 296,960.22, 445,228.79 and 139,102.56

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Solution

The fourth proportional to 296,960.22, 445,228.79 and 139,102.56 is: 208,554.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,960.22 : 445,228.79 = 139,102.56 : x
  2. Step 2: Convert to fraction form
    296,960.22/445,228.79 = 139,102.56/x
  3. Step 3: Cross multiply
    296,960.22x = 445,228.79 × 139,102.56
  4. Step 4: Simplify right side
    296,960.22x = 61,932,463,779.19
  5. Step 5: Solve for x
    x = 61,932,463,779.19/296,960.22
  6. Step 6: Final answer
    x = 208,554.75

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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.