Home / 285,233.45-393,607.17-156,147.19

Finding the Fourth Proportional to 285,233.45, 393,607.17 and 156,147.19

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Solution

The fourth proportional to 285,233.45, 393,607.17 and 156,147.19 is: 215,474.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,233.45 : 393,607.17 = 156,147.19 : x
  2. Step 2: Convert to fraction form
    285,233.45/393,607.17 = 156,147.19/x
  3. Step 3: Cross multiply
    285,233.45x = 393,607.17 × 156,147.19
  4. Step 4: Simplify right side
    285,233.45x = 61,460,652,575.33
  5. Step 5: Solve for x
    x = 61,460,652,575.33/285,233.45
  6. Step 6: Final answer
    x = 215,474.92

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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.