Home / 357,810.77-493,779.94-196,682.33

Finding the Fourth Proportional to 357,810.77, 493,779.94 and 196,682.33

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Solution

The fourth proportional to 357,810.77, 493,779.94 and 196,682.33 is: 271,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,810.77 : 493,779.94 = 196,682.33 : x
  2. Step 2: Convert to fraction form
    357,810.77/493,779.94 = 196,682.33/x
  3. Step 3: Cross multiply
    357,810.77x = 493,779.94 × 196,682.33
  4. Step 4: Simplify right side
    357,810.77x = 97,117,789,106.46
  5. Step 5: Solve for x
    x = 97,117,789,106.46/357,810.77
  6. Step 6: Final answer
    x = 271,422.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.