Home / 107,539.25-148,444.52-80,759.16

Finding the Fourth Proportional to 107,539.25, 148,444.52 and 80,759.16

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Solution

The fourth proportional to 107,539.25, 148,444.52 and 80,759.16 is: 111,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,539.25 : 148,444.52 = 80,759.16 : x
  2. Step 2: Convert to fraction form
    107,539.25/148,444.52 = 80,759.16/x
  3. Step 3: Cross multiply
    107,539.25x = 148,444.52 × 80,759.16
  4. Step 4: Simplify right side
    107,539.25x = 11,988,254,338.01
  5. Step 5: Solve for x
    x = 11,988,254,338.01/107,539.25
  6. Step 6: Final answer
    x = 111,477.95

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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.