Home / 189,535.08-261,551.55-104,650.32

Finding the Fourth Proportional to 189,535.08, 261,551.55 and 104,650.32

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Solution

The fourth proportional to 189,535.08, 261,551.55 and 104,650.32 is: 144,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,535.08 : 261,551.55 = 104,650.32 : x
  2. Step 2: Convert to fraction form
    189,535.08/261,551.55 = 104,650.32/x
  3. Step 3: Cross multiply
    189,535.08x = 261,551.55 × 104,650.32
  4. Step 4: Simplify right side
    189,535.08x = 27,371,453,404.00
  5. Step 5: Solve for x
    x = 27,371,453,404.00/189,535.08
  6. Step 6: Final answer
    x = 144,413.65

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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.