Home / 124,989.84-172,566.48-111,537.96

Finding the Fourth Proportional to 124,989.84, 172,566.48 and 111,537.96

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Solution

The fourth proportional to 124,989.84, 172,566.48 and 111,537.96 is: 153,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,989.84 : 172,566.48 = 111,537.96 : x
  2. Step 2: Convert to fraction form
    124,989.84/172,566.48 = 111,537.96/x
  3. Step 3: Cross multiply
    124,989.84x = 172,566.48 × 111,537.96
  4. Step 4: Simplify right side
    124,989.84x = 19,247,713,143.58
  5. Step 5: Solve for x
    x = 19,247,713,143.58/124,989.84
  6. Step 6: Final answer
    x = 153,994.22

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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.