Home / 214,834.40-296,438.56-124,172.90

Finding the Fourth Proportional to 214,834.40, 296,438.56 and 124,172.90

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Solution

The fourth proportional to 214,834.40, 296,438.56 and 124,172.90 is: 171,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,834.40 : 296,438.56 = 124,172.90 : x
  2. Step 2: Convert to fraction form
    214,834.40/296,438.56 = 124,172.90/x
  3. Step 3: Cross multiply
    214,834.40x = 296,438.56 × 124,172.90
  4. Step 4: Simplify right side
    214,834.40x = 36,809,633,874.40
  5. Step 5: Solve for x
    x = 36,809,633,874.40/214,834.40
  6. Step 6: Final answer
    x = 171,339.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.