Home / 349,190.37-524,014.88-191,529.45

Finding the Fourth Proportional to 349,190.37, 524,014.88 and 191,529.45

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Solution

The fourth proportional to 349,190.37, 524,014.88 and 191,529.45 is: 287,419.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,190.37 : 524,014.88 = 191,529.45 : x
  2. Step 2: Convert to fraction form
    349,190.37/524,014.88 = 191,529.45/x
  3. Step 3: Cross multiply
    349,190.37x = 524,014.88 × 191,529.45
  4. Step 4: Simplify right side
    349,190.37x = 100,364,280,800.57
  5. Step 5: Solve for x
    x = 100,364,280,800.57/349,190.37
  6. Step 6: Final answer
    x = 287,419.96

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1.5x scale

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.