Home / 343,569.58-515,526.23-154,165.34

Finding the Fourth Proportional to 343,569.58, 515,526.23 and 154,165.34

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Solution

The fourth proportional to 343,569.58, 515,526.23 and 154,165.34 is: 231,325.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,569.58 : 515,526.23 = 154,165.34 : x
  2. Step 2: Convert to fraction form
    343,569.58/515,526.23 = 154,165.34/x
  3. Step 3: Cross multiply
    343,569.58x = 515,526.23 × 154,165.34
  4. Step 4: Simplify right side
    343,569.58x = 79,476,278,201.10
  5. Step 5: Solve for x
    x = 79,476,278,201.10/343,569.58
  6. Step 6: Final answer
    x = 231,325.13

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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.