Home / 255,355.81-352,012.96-163,461.57

Finding the Fourth Proportional to 255,355.81, 352,012.96 and 163,461.57

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Solution

The fourth proportional to 255,355.81, 352,012.96 and 163,461.57 is: 225,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,355.81 : 352,012.96 = 163,461.57 : x
  2. Step 2: Convert to fraction form
    255,355.81/352,012.96 = 163,461.57/x
  3. Step 3: Cross multiply
    255,355.81x = 352,012.96 × 163,461.57
  4. Step 4: Simplify right side
    255,355.81x = 57,540,588,524.57
  5. Step 5: Solve for x
    x = 57,540,588,524.57/255,355.81
  6. Step 6: Final answer
    x = 225,334.95

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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.