Home / 374,830.89-562,245.65-122,111.08

Finding the Fourth Proportional to 374,830.89, 562,245.65 and 122,111.08

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Solution

The fourth proportional to 374,830.89, 562,245.65 and 122,111.08 is: 183,166.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,830.89 : 562,245.65 = 122,111.08 : x
  2. Step 2: Convert to fraction form
    374,830.89/562,245.65 = 122,111.08/x
  3. Step 3: Cross multiply
    374,830.89x = 562,245.65 × 122,111.08
  4. Step 4: Simplify right side
    374,830.89x = 68,656,421,988.55
  5. Step 5: Solve for x
    x = 68,656,421,988.55/374,830.89
  6. Step 6: Final answer
    x = 183,166.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.