Home / 112,362.28-168,478.21-53,197.45

Finding the Fourth Proportional to 112,362.28, 168,478.21 and 53,197.45

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Solution

The fourth proportional to 112,362.28, 168,478.21 and 53,197.45 is: 79,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,362.28 : 168,478.21 = 53,197.45 : x
  2. Step 2: Convert to fraction form
    112,362.28/168,478.21 = 53,197.45/x
  3. Step 3: Cross multiply
    112,362.28x = 168,478.21 × 53,197.45
  4. Step 4: Simplify right side
    112,362.28x = 8,962,611,152.56
  5. Step 5: Solve for x
    x = 8,962,611,152.56/112,362.28
  6. Step 6: Final answer
    x = 79,765.30

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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.