Home / 260,826.08-359,919.60-153,400.16

Finding the Fourth Proportional to 260,826.08, 359,919.60 and 153,400.16

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Solution

The fourth proportional to 260,826.08, 359,919.60 and 153,400.16 is: 211,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,826.08 : 359,919.60 = 153,400.16 : x
  2. Step 2: Convert to fraction form
    260,826.08/359,919.60 = 153,400.16/x
  3. Step 3: Cross multiply
    260,826.08x = 359,919.60 × 153,400.16
  4. Step 4: Simplify right side
    260,826.08x = 55,211,724,227.14
  5. Step 5: Solve for x
    x = 55,211,724,227.14/260,826.08
  6. Step 6: Final answer
    x = 211,680.23

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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.