Home / 312,233.28-430,889.80-191,441.17

Finding the Fourth Proportional to 312,233.28, 430,889.80 and 191,441.17

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Solution

The fourth proportional to 312,233.28, 430,889.80 and 191,441.17 is: 264,193.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,233.28 : 430,889.80 = 191,441.17 : x
  2. Step 2: Convert to fraction form
    312,233.28/430,889.80 = 191,441.17/x
  3. Step 3: Cross multiply
    312,233.28x = 430,889.80 × 191,441.17
  4. Step 4: Simplify right side
    312,233.28x = 82,490,048,410.46
  5. Step 5: Solve for x
    x = 82,490,048,410.46/312,233.28
  6. Step 6: Final answer
    x = 264,193.64

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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.