Home / 254,518.67-351,240.14-139,802.15

Finding the Fourth Proportional to 254,518.67, 351,240.14 and 139,802.15

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Solution

The fourth proportional to 254,518.67, 351,240.14 and 139,802.15 is: 192,929.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,518.67 : 351,240.14 = 139,802.15 : x
  2. Step 2: Convert to fraction form
    254,518.67/351,240.14 = 139,802.15/x
  3. Step 3: Cross multiply
    254,518.67x = 351,240.14 × 139,802.15
  4. Step 4: Simplify right side
    254,518.67x = 49,104,124,283.09
  5. Step 5: Solve for x
    x = 49,104,124,283.09/254,518.67
  6. Step 6: Final answer
    x = 192,929.36

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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.