Home / 252,921.18-349,038.27-139,751.22

Finding the Fourth Proportional to 252,921.18, 349,038.27 and 139,751.22

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Solution

The fourth proportional to 252,921.18, 349,038.27 and 139,751.22 is: 192,860.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,921.18 : 349,038.27 = 139,751.22 : x
  2. Step 2: Convert to fraction form
    252,921.18/349,038.27 = 139,751.22/x
  3. Step 3: Cross multiply
    252,921.18x = 349,038.27 × 139,751.22
  4. Step 4: Simplify right side
    252,921.18x = 48,778,524,059.19
  5. Step 5: Solve for x
    x = 48,778,524,059.19/252,921.18
  6. Step 6: Final answer
    x = 192,860.57

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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.