Home / 199,820.24-299,642.04-106,303.76

Finding the Fourth Proportional to 199,820.24, 299,642.04 and 106,303.76

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Solution

The fourth proportional to 199,820.24, 299,642.04 and 106,303.76 is: 159,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,820.24 : 299,642.04 = 106,303.76 : x
  2. Step 2: Convert to fraction form
    199,820.24/299,642.04 = 106,303.76/x
  3. Step 3: Cross multiply
    199,820.24x = 299,642.04 × 106,303.76
  4. Step 4: Simplify right side
    199,820.24x = 31,853,075,506.07
  5. Step 5: Solve for x
    x = 31,853,075,506.07/199,820.24
  6. Step 6: Final answer
    x = 159,408.65

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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.