Home / 285,003.22-393,239.64-170,263.66

Finding the Fourth Proportional to 285,003.22, 393,239.64 and 170,263.66

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Solution

The fourth proportional to 285,003.22, 393,239.64 and 170,263.66 is: 234,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,003.22 : 393,239.64 = 170,263.66 : x
  2. Step 2: Convert to fraction form
    285,003.22/393,239.64 = 170,263.66/x
  3. Step 3: Cross multiply
    285,003.22x = 393,239.64 × 170,263.66
  4. Step 4: Simplify right side
    285,003.22x = 66,954,420,363.48
  5. Step 5: Solve for x
    x = 66,954,420,363.48/285,003.22
  6. Step 6: Final answer
    x = 234,925.14

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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.