Home / 285,656.61-394,192.53-164,836.74

Finding the Fourth Proportional to 285,656.61, 394,192.53 and 164,836.74

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Solution

The fourth proportional to 285,656.61, 394,192.53 and 164,836.74 is: 227,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,656.61 : 394,192.53 = 164,836.74 : x
  2. Step 2: Convert to fraction form
    285,656.61/394,192.53 = 164,836.74/x
  3. Step 3: Cross multiply
    285,656.61x = 394,192.53 × 164,836.74
  4. Step 4: Simplify right side
    285,656.61x = 64,977,411,577.55
  5. Step 5: Solve for x
    x = 64,977,411,577.55/285,656.61
  6. Step 6: Final answer
    x = 227,466.86

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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.