Home / 490,741.22-736,112.00-153,808.02

Finding the Fourth Proportional to 490,741.22, 736,112.00 and 153,808.02

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Solution

The fourth proportional to 490,741.22, 736,112.00 and 153,808.02 is: 230,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,741.22 : 736,112.00 = 153,808.02 : x
  2. Step 2: Convert to fraction form
    490,741.22/736,112.00 = 153,808.02/x
  3. Step 3: Cross multiply
    490,741.22x = 736,112.00 × 153,808.02
  4. Step 4: Simplify right side
    490,741.22x = 113,219,929,602.76
  5. Step 5: Solve for x
    x = 113,219,929,602.76/490,741.22
  6. Step 6: Final answer
    x = 230,712.08

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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.