Home / 320,955.48-442,933.74-193,628.34

Finding the Fourth Proportional to 320,955.48, 442,933.74 and 193,628.34

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Solution

The fourth proportional to 320,955.48, 442,933.74 and 193,628.34 is: 267,216.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,955.48 : 442,933.74 = 193,628.34 : x
  2. Step 2: Convert to fraction form
    320,955.48/442,933.74 = 193,628.34/x
  3. Step 3: Cross multiply
    320,955.48x = 442,933.74 × 193,628.34
  4. Step 4: Simplify right side
    320,955.48x = 85,764,524,806.19
  5. Step 5: Solve for x
    x = 85,764,524,806.19/320,955.48
  6. Step 6: Final answer
    x = 267,216.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.