Home / 124,477.48-171,758.10-118,172.44

Finding the Fourth Proportional to 124,477.48, 171,758.10 and 118,172.44

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Solution

The fourth proportional to 124,477.48, 171,758.10 and 118,172.44 is: 163,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,477.48 : 171,758.10 = 118,172.44 : x
  2. Step 2: Convert to fraction form
    124,477.48/171,758.10 = 118,172.44/x
  3. Step 3: Cross multiply
    124,477.48x = 171,758.10 × 118,172.44
  4. Step 4: Simplify right side
    124,477.48x = 20,297,073,766.76
  5. Step 5: Solve for x
    x = 20,297,073,766.76/124,477.48
  6. Step 6: Final answer
    x = 163,058.20

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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.