Home / 353,109.63-529,897.72-166,135.71

Finding the Fourth Proportional to 353,109.63, 529,897.72 and 166,135.71

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Solution

The fourth proportional to 353,109.63, 529,897.72 and 166,135.71 is: 249,313.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,109.63 : 529,897.72 = 166,135.71 : x
  2. Step 2: Convert to fraction form
    353,109.63/529,897.72 = 166,135.71/x
  3. Step 3: Cross multiply
    353,109.63x = 529,897.72 × 166,135.71
  4. Step 4: Simplify right side
    353,109.63x = 88,034,930,874.75
  5. Step 5: Solve for x
    x = 88,034,930,874.75/353,109.63
  6. Step 6: Final answer
    x = 249,313.31

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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.