Home / 363,742.52-501,965.71-210,810.40

Finding the Fourth Proportional to 363,742.52, 501,965.71 and 210,810.40

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Solution

The fourth proportional to 363,742.52, 501,965.71 and 210,810.40 is: 290,918.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,742.52 : 501,965.71 = 210,810.40 : x
  2. Step 2: Convert to fraction form
    363,742.52/501,965.71 = 210,810.40/x
  3. Step 3: Cross multiply
    363,742.52x = 501,965.71 × 210,810.40
  4. Step 4: Simplify right side
    363,742.52x = 105,819,590,329.44
  5. Step 5: Solve for x
    x = 105,819,590,329.44/363,742.52
  6. Step 6: Final answer
    x = 290,918.94

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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.