Home / 343,532.14-515,056.77-151,315.35

Finding the Fourth Proportional to 343,532.14, 515,056.77 and 151,315.35

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Solution

The fourth proportional to 343,532.14, 515,056.77 and 151,315.35 is: 226,866.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,532.14 : 515,056.77 = 151,315.35 : x
  2. Step 2: Convert to fraction form
    343,532.14/515,056.77 = 151,315.35/x
  3. Step 3: Cross multiply
    343,532.14x = 515,056.77 × 151,315.35
  4. Step 4: Simplify right side
    343,532.14x = 77,935,993,490.96
  5. Step 5: Solve for x
    x = 77,935,993,490.96/343,532.14
  6. Step 6: Final answer
    x = 226,866.67

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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.