Home / 353,139.40-529,514.70-116,360.20

Finding the Fourth Proportional to 353,139.40, 529,514.70 and 116,360.20

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Solution

The fourth proportional to 353,139.40, 529,514.70 and 116,360.20 is: 174,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,139.40 : 529,514.70 = 116,360.20 : x
  2. Step 2: Convert to fraction form
    353,139.40/529,514.70 = 116,360.20/x
  3. Step 3: Cross multiply
    353,139.40x = 529,514.70 × 116,360.20
  4. Step 4: Simplify right side
    353,139.40x = 61,614,436,394.94
  5. Step 5: Solve for x
    x = 61,614,436,394.94/353,139.40
  6. Step 6: Final answer
    x = 174,476.24

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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.