Home / 131,671.14-197,506.74-72,476.34

Finding the Fourth Proportional to 131,671.14, 197,506.74 and 72,476.34

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Solution

The fourth proportional to 131,671.14, 197,506.74 and 72,476.34 is: 108,714.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,671.14 : 197,506.74 = 72,476.34 : x
  2. Step 2: Convert to fraction form
    131,671.14/197,506.74 = 72,476.34/x
  3. Step 3: Cross multiply
    131,671.14x = 197,506.74 × 72,476.34
  4. Step 4: Simplify right side
    131,671.14x = 14,314,565,640.53
  5. Step 5: Solve for x
    x = 14,314,565,640.53/131,671.14
  6. Step 6: Final answer
    x = 108,714.53

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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.