Home / 168,710.30-232,669.33-139,984.40

Finding the Fourth Proportional to 168,710.30, 232,669.33 and 139,984.40

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Solution

The fourth proportional to 168,710.30, 232,669.33 and 139,984.40 is: 193,053.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,710.30 : 232,669.33 = 139,984.40 : x
  2. Step 2: Convert to fraction form
    168,710.30/232,669.33 = 139,984.40/x
  3. Step 3: Cross multiply
    168,710.30x = 232,669.33 × 139,984.40
  4. Step 4: Simplify right side
    168,710.30x = 32,570,075,858.53
  5. Step 5: Solve for x
    x = 32,570,075,858.53/168,710.30
  6. Step 6: Final answer
    x = 193,053.27

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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.