Home / 130,093.95-179,463.90-87,075.24

Finding the Fourth Proportional to 130,093.95, 179,463.90 and 87,075.24

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Solution

The fourth proportional to 130,093.95, 179,463.90 and 87,075.24 is: 120,119.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,093.95 : 179,463.90 = 87,075.24 : x
  2. Step 2: Convert to fraction form
    130,093.95/179,463.90 = 87,075.24/x
  3. Step 3: Cross multiply
    130,093.95x = 179,463.90 × 87,075.24
  4. Step 4: Simplify right side
    130,093.95x = 15,626,862,163.84
  5. Step 5: Solve for x
    x = 15,626,862,163.84/130,093.95
  6. Step 6: Final answer
    x = 120,119.82

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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.