Home / 353,186.57-529,779.85-103,868.57

Finding the Fourth Proportional to 353,186.57, 529,779.85 and 103,868.57

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Solution

The fourth proportional to 353,186.57, 529,779.85 and 103,868.57 is: 155,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,186.57 : 529,779.85 = 103,868.57 : x
  2. Step 2: Convert to fraction form
    353,186.57/529,779.85 = 103,868.57/x
  3. Step 3: Cross multiply
    353,186.57x = 529,779.85 × 103,868.57
  4. Step 4: Simplify right side
    353,186.57x = 55,027,475,434.31
  5. Step 5: Solve for x
    x = 55,027,475,434.31/353,186.57
  6. Step 6: Final answer
    x = 155,802.85

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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.