Home / 155,928.20-233,738.70-77,054.60

Finding the Fourth Proportional to 155,928.20, 233,738.70 and 77,054.60

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Solution

The fourth proportional to 155,928.20, 233,738.70 and 77,054.60 is: 115,506.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,928.20 : 233,738.70 = 77,054.60 : x
  2. Step 2: Convert to fraction form
    155,928.20/233,738.70 = 77,054.60/x
  3. Step 3: Cross multiply
    155,928.20x = 233,738.70 × 77,054.60
  4. Step 4: Simplify right side
    155,928.20x = 18,010,642,033.02
  5. Step 5: Solve for x
    x = 18,010,642,033.02/155,928.20
  6. Step 6: Final answer
    x = 115,506.00

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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.