Home / 285,089.46-393,421.77-164,185.62

Finding the Fourth Proportional to 285,089.46, 393,421.77 and 164,185.62

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Solution

The fourth proportional to 285,089.46, 393,421.77 and 164,185.62 is: 226,575.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,089.46 : 393,421.77 = 164,185.62 : x
  2. Step 2: Convert to fraction form
    285,089.46/393,421.77 = 164,185.62/x
  3. Step 3: Cross multiply
    285,089.46x = 393,421.77 × 164,185.62
  4. Step 4: Simplify right side
    285,089.46x = 64,594,197,228.95
  5. Step 5: Solve for x
    x = 64,594,197,228.95/285,089.46
  6. Step 6: Final answer
    x = 226,575.19

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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.