Home / 285,832.47-394,455.76-156,776.24

Finding the Fourth Proportional to 285,832.47, 394,455.76 and 156,776.24

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Solution

The fourth proportional to 285,832.47, 394,455.76 and 156,776.24 is: 216,355.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,832.47 : 394,455.76 = 156,776.24 : x
  2. Step 2: Convert to fraction form
    285,832.47/394,455.76 = 156,776.24/x
  3. Step 3: Cross multiply
    285,832.47x = 394,455.76 × 156,776.24
  4. Step 4: Simplify right side
    285,832.47x = 61,841,291,493.34
  5. Step 5: Solve for x
    x = 61,841,291,493.34/285,832.47
  6. Step 6: Final answer
    x = 216,355.02

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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.