Home / 271,851.32-407,673.04-89,439.67

Finding the Fourth Proportional to 271,851.32, 407,673.04 and 89,439.67

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Solution

The fourth proportional to 271,851.32, 407,673.04 and 89,439.67 is: 134,125.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,851.32 : 407,673.04 = 89,439.67 : x
  2. Step 2: Convert to fraction form
    271,851.32/407,673.04 = 89,439.67/x
  3. Step 3: Cross multiply
    271,851.32x = 407,673.04 × 89,439.67
  4. Step 4: Simplify right side
    271,851.32x = 36,462,142,165.50
  5. Step 5: Solve for x
    x = 36,462,142,165.50/271,851.32
  6. Step 6: Final answer
    x = 134,125.31

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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.