Home / 349,965.20-525,012.60-113,315.60

Finding the Fourth Proportional to 349,965.20, 525,012.60 and 113,315.60

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Solution

The fourth proportional to 349,965.20, 525,012.60 and 113,315.60 is: 169,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,965.20 : 525,012.60 = 113,315.60 : x
  2. Step 2: Convert to fraction form
    349,965.20/525,012.60 = 113,315.60/x
  3. Step 3: Cross multiply
    349,965.20x = 525,012.60 × 113,315.60
  4. Step 4: Simplify right side
    349,965.20x = 59,492,117,776.56
  5. Step 5: Solve for x
    x = 59,492,117,776.56/349,965.20
  6. Step 6: Final answer
    x = 169,994.38

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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.