Home / 343,629.40-515,444.10-94,311.40

Finding the Fourth Proportional to 343,629.40, 515,444.10 and 94,311.40

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Solution

The fourth proportional to 343,629.40, 515,444.10 and 94,311.40 is: 141,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,629.40 : 515,444.10 = 94,311.40 : x
  2. Step 2: Convert to fraction form
    343,629.40/515,444.10 = 94,311.40/x
  3. Step 3: Cross multiply
    343,629.40x = 515,444.10 × 94,311.40
  4. Step 4: Simplify right side
    343,629.40x = 48,612,254,692.74
  5. Step 5: Solve for x
    x = 48,612,254,692.74/343,629.40
  6. Step 6: Final answer
    x = 141,467.10

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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.