Home / 130,261.08-195,235.38-67,111.32

Finding the Fourth Proportional to 130,261.08, 195,235.38 and 67,111.32

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Solution

The fourth proportional to 130,261.08, 195,235.38 and 67,111.32 is: 100,586.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,261.08 : 195,235.38 = 67,111.32 : x
  2. Step 2: Convert to fraction form
    130,261.08/195,235.38 = 67,111.32/x
  3. Step 3: Cross multiply
    130,261.08x = 195,235.38 × 67,111.32
  4. Step 4: Simplify right side
    130,261.08x = 13,102,504,062.50
  5. Step 5: Solve for x
    x = 13,102,504,062.50/130,261.08
  6. Step 6: Final answer
    x = 100,586.48

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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.