Home / 171,140.10-256,364.55-97,181.70

Finding the Fourth Proportional to 171,140.10, 256,364.55 and 97,181.70

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Solution

The fourth proportional to 171,140.10, 256,364.55 and 97,181.70 is: 145,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,140.10 : 256,364.55 = 97,181.70 : x
  2. Step 2: Convert to fraction form
    171,140.10/256,364.55 = 97,181.70/x
  3. Step 3: Cross multiply
    171,140.10x = 256,364.55 × 97,181.70
  4. Step 4: Simplify right side
    171,140.10x = 24,913,942,788.74
  5. Step 5: Solve for x
    x = 24,913,942,788.74/171,140.10
  6. Step 6: Final answer
    x = 145,576.30

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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.