Home / 343,557.03-515,482.43-177,461.67

Finding the Fourth Proportional to 343,557.03, 515,482.43 and 177,461.67

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Solution

The fourth proportional to 343,557.03, 515,482.43 and 177,461.67 is: 266,268.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,557.03 : 515,482.43 = 177,461.67 : x
  2. Step 2: Convert to fraction form
    343,557.03/515,482.43 = 177,461.67/x
  3. Step 3: Cross multiply
    343,557.03x = 515,482.43 × 177,461.67
  4. Step 4: Simplify right side
    343,557.03x = 91,478,371,996.15
  5. Step 5: Solve for x
    x = 91,478,371,996.15/343,557.03
  6. Step 6: Final answer
    x = 266,268.37

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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.