Home / 253,023.39-349,172.34-139,846.14

Finding the Fourth Proportional to 253,023.39, 349,172.34 and 139,846.14

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Solution

The fourth proportional to 253,023.39, 349,172.34 and 139,846.14 is: 192,987.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,023.39 : 349,172.34 = 139,846.14 : x
  2. Step 2: Convert to fraction form
    253,023.39/349,172.34 = 139,846.14/x
  3. Step 3: Cross multiply
    253,023.39x = 349,172.34 × 139,846.14
  4. Step 4: Simplify right side
    253,023.39x = 48,830,403,943.77
  5. Step 5: Solve for x
    x = 48,830,403,943.77/253,023.39
  6. Step 6: Final answer
    x = 192,987.71

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1.5x scale

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.