Home / 124,804.56-172,232.82-68,219.58

Finding the Fourth Proportional to 124,804.56, 172,232.82 and 68,219.58

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Solution

The fourth proportional to 124,804.56, 172,232.82 and 68,219.58 is: 94,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,804.56 : 172,232.82 = 68,219.58 : x
  2. Step 2: Convert to fraction form
    124,804.56/172,232.82 = 68,219.58/x
  3. Step 3: Cross multiply
    124,804.56x = 172,232.82 × 68,219.58
  4. Step 4: Simplify right side
    124,804.56x = 11,749,650,642.62
  5. Step 5: Solve for x
    x = 11,749,650,642.62/124,804.56
  6. Step 6: Final answer
    x = 94,144.40

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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.