Home / 112,099.04-167,798.64-80,455.60

Finding the Fourth Proportional to 112,099.04, 167,798.64 and 80,455.60

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Solution

The fourth proportional to 112,099.04, 167,798.64 and 80,455.60 is: 120,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,099.04 : 167,798.64 = 80,455.60 : x
  2. Step 2: Convert to fraction form
    112,099.04/167,798.64 = 80,455.60/x
  3. Step 3: Cross multiply
    112,099.04x = 167,798.64 × 80,455.60
  4. Step 4: Simplify right side
    112,099.04x = 13,500,340,260.38
  5. Step 5: Solve for x
    x = 13,500,340,260.38/112,099.04
  6. Step 6: Final answer
    x = 120,432.26

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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.