Home / 351,316.85-484,817.54-190,171.40

Finding the Fourth Proportional to 351,316.85, 484,817.54 and 190,171.40

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Solution

The fourth proportional to 351,316.85, 484,817.54 and 190,171.40 is: 262,436.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,316.85 : 484,817.54 = 190,171.40 : x
  2. Step 2: Convert to fraction form
    351,316.85/484,817.54 = 190,171.40/x
  3. Step 3: Cross multiply
    351,316.85x = 484,817.54 × 190,171.40
  4. Step 4: Simplify right side
    351,316.85x = 92,198,426,951.41
  5. Step 5: Solve for x
    x = 92,198,426,951.41/351,316.85
  6. Step 6: Final answer
    x = 262,436.68

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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.