Home / 127,904.95-191,748.02-49,075.75

Finding the Fourth Proportional to 127,904.95, 191,748.02 and 49,075.75

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Solution

The fourth proportional to 127,904.95, 191,748.02 and 49,075.75 is: 73,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,904.95 : 191,748.02 = 49,075.75 : x
  2. Step 2: Convert to fraction form
    127,904.95/191,748.02 = 49,075.75/x
  3. Step 3: Cross multiply
    127,904.95x = 191,748.02 × 49,075.75
  4. Step 4: Simplify right side
    127,904.95x = 9,410,177,647.14
  5. Step 5: Solve for x
    x = 9,410,177,647.14/127,904.95
  6. Step 6: Final answer
    x = 73,571.65

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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.