Home / 189,999.16-262,189.26-103,956.28

Finding the Fourth Proportional to 189,999.16, 262,189.26 and 103,956.28

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Solution

The fourth proportional to 189,999.16, 262,189.26 and 103,956.28 is: 143,454.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,999.16 : 262,189.26 = 103,956.28 : x
  2. Step 2: Convert to fraction form
    189,999.16/262,189.26 = 103,956.28/x
  3. Step 3: Cross multiply
    189,999.16x = 262,189.26 × 103,956.28
  4. Step 4: Simplify right side
    189,999.16x = 27,256,220,125.55
  5. Step 5: Solve for x
    x = 27,256,220,125.55/189,999.16
  6. Step 6: Final answer
    x = 143,454.42

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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.