Home / 353,031.51-529,249.63-153,201.36

Finding the Fourth Proportional to 353,031.51, 529,249.63 and 153,201.36

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Solution

The fourth proportional to 353,031.51, 529,249.63 and 153,201.36 is: 229,672.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,031.51 : 529,249.63 = 153,201.36 : x
  2. Step 2: Convert to fraction form
    353,031.51/529,249.63 = 153,201.36/x
  3. Step 3: Cross multiply
    353,031.51x = 529,249.63 × 153,201.36
  4. Step 4: Simplify right side
    353,031.51x = 81,081,759,683.24
  5. Step 5: Solve for x
    x = 81,081,759,683.24/353,031.51
  6. Step 6: Final answer
    x = 229,672.87

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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.