Home / 104,880.44-158,111.28-98,115.32

Finding the Fourth Proportional to 104,880.44, 158,111.28 and 98,115.32

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Solution

The fourth proportional to 104,880.44, 158,111.28 and 98,115.32 is: 147,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,880.44 : 158,111.28 = 98,115.32 : x
  2. Step 2: Convert to fraction form
    104,880.44/158,111.28 = 98,115.32/x
  3. Step 3: Cross multiply
    104,880.44x = 158,111.28 × 98,115.32
  4. Step 4: Simplify right side
    104,880.44x = 15,513,138,832.81
  5. Step 5: Solve for x
    x = 15,513,138,832.81/104,880.44
  6. Step 6: Final answer
    x = 147,912.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.