Home / 251,748.69-377,788.68-118,666.50

Finding the Fourth Proportional to 251,748.69, 377,788.68 and 118,666.50

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Solution

The fourth proportional to 251,748.69, 377,788.68 and 118,666.50 is: 178,077.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,748.69 : 377,788.68 = 118,666.50 : x
  2. Step 2: Convert to fraction form
    251,748.69/377,788.68 = 118,666.50/x
  3. Step 3: Cross multiply
    251,748.69x = 377,788.68 × 118,666.50
  4. Step 4: Simplify right side
    251,748.69x = 44,830,860,395.22
  5. Step 5: Solve for x
    x = 44,830,860,395.22/251,748.69
  6. Step 6: Final answer
    x = 178,077.83

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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.