Home / 403,195.56-556,178.43-252,030.12

Finding the Fourth Proportional to 403,195.56, 556,178.43 and 252,030.12

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Solution

The fourth proportional to 403,195.56, 556,178.43 and 252,030.12 is: 347,656.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,195.56 : 556,178.43 = 252,030.12 : x
  2. Step 2: Convert to fraction form
    403,195.56/556,178.43 = 252,030.12/x
  3. Step 3: Cross multiply
    403,195.56x = 556,178.43 × 252,030.12
  4. Step 4: Simplify right side
    403,195.56x = 140,173,716,454.31
  5. Step 5: Solve for x
    x = 140,173,716,454.31/403,195.56
  6. Step 6: Final answer
    x = 347,656.89

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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.