Home / 189,400.32-261,370.16-104,515.52

Finding the Fourth Proportional to 189,400.32, 261,370.16 and 104,515.52

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Solution

The fourth proportional to 189,400.32, 261,370.16 and 104,515.52 is: 144,230.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,400.32 : 261,370.16 = 104,515.52 : x
  2. Step 2: Convert to fraction form
    189,400.32/261,370.16 = 104,515.52/x
  3. Step 3: Cross multiply
    189,400.32x = 261,370.16 × 104,515.52
  4. Step 4: Simplify right side
    189,400.32x = 27,317,238,184.88
  5. Step 5: Solve for x
    x = 27,317,238,184.88/189,400.32
  6. Step 6: Final answer
    x = 144,230.16

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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.