Home / 124,477.98-171,758.79-118,172.94

Finding the Fourth Proportional to 124,477.98, 171,758.79 and 118,172.94

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Solution

The fourth proportional to 124,477.98, 171,758.79 and 118,172.94 is: 163,058.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,477.98 : 171,758.79 = 118,172.94 : x
  2. Step 2: Convert to fraction form
    124,477.98/171,758.79 = 118,172.94/x
  3. Step 3: Cross multiply
    124,477.98x = 171,758.79 × 118,172.94
  4. Step 4: Simplify right side
    124,477.98x = 20,297,241,185.14
  5. Step 5: Solve for x
    x = 20,297,241,185.14/124,477.98
  6. Step 6: Final answer
    x = 163,058.89

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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.