Home / 285,096.36-393,423.24-157,777.32

Finding the Fourth Proportional to 285,096.36, 393,423.24 and 157,777.32

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Solution

The fourth proportional to 285,096.36, 393,423.24 and 157,777.32 is: 217,727.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,096.36 : 393,423.24 = 157,777.32 : x
  2. Step 2: Convert to fraction form
    285,096.36/393,423.24 = 157,777.32/x
  3. Step 3: Cross multiply
    285,096.36x = 393,423.24 × 157,777.32
  4. Step 4: Simplify right side
    285,096.36x = 62,073,264,432.92
  5. Step 5: Solve for x
    x = 62,073,264,432.92/285,096.36
  6. Step 6: Final answer
    x = 217,727.31

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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.