Home / 314,779.47-434,087.07-199,858.61

Finding the Fourth Proportional to 314,779.47, 434,087.07 and 199,858.61

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Solution

The fourth proportional to 314,779.47, 434,087.07 and 199,858.61 is: 275,608.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,779.47 : 434,087.07 = 199,858.61 : x
  2. Step 2: Convert to fraction form
    314,779.47/434,087.07 = 199,858.61/x
  3. Step 3: Cross multiply
    314,779.47x = 434,087.07 × 199,858.61
  4. Step 4: Simplify right side
    314,779.47x = 86,756,038,429.17
  5. Step 5: Solve for x
    x = 86,756,038,429.17/314,779.47
  6. Step 6: Final answer
    x = 275,608.95

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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.