Home / 558,745.57-838,146.03-159,445.18

Finding the Fourth Proportional to 558,745.57, 838,146.03 and 159,445.18

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Solution

The fourth proportional to 558,745.57, 838,146.03 and 159,445.18 is: 239,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,745.57 : 838,146.03 = 159,445.18 : x
  2. Step 2: Convert to fraction form
    558,745.57/838,146.03 = 159,445.18/x
  3. Step 3: Cross multiply
    558,745.57x = 838,146.03 × 159,445.18
  4. Step 4: Simplify right side
    558,745.57x = 133,638,344,619.64
  5. Step 5: Solve for x
    x = 133,638,344,619.64/558,745.57
  6. Step 6: Final answer
    x = 239,175.67

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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.