Home / 352,430.46-528,735.87-115,775.19

Finding the Fourth Proportional to 352,430.46, 528,735.87 and 115,775.19

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Solution

The fourth proportional to 352,430.46, 528,735.87 and 115,775.19 is: 173,692.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,430.46 : 528,735.87 = 115,775.19 : x
  2. Step 2: Convert to fraction form
    352,430.46/528,735.87 = 115,775.19/x
  3. Step 3: Cross multiply
    352,430.46x = 528,735.87 × 115,775.19
  4. Step 4: Simplify right side
    352,430.46x = 61,214,495,809.07
  5. Step 5: Solve for x
    x = 61,214,495,809.07/352,430.46
  6. Step 6: Final answer
    x = 173,692.41

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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.