Home / 255,245.81-352,259.55-147,817.76

Finding the Fourth Proportional to 255,245.81, 352,259.55 and 147,817.76

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Solution

The fourth proportional to 255,245.81, 352,259.55 and 147,817.76 is: 204,000.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,245.81 : 352,259.55 = 147,817.76 : x
  2. Step 2: Convert to fraction form
    255,245.81/352,259.55 = 147,817.76/x
  3. Step 3: Cross multiply
    255,245.81x = 352,259.55 × 147,817.76
  4. Step 4: Simplify right side
    255,245.81x = 52,070,215,858.31
  5. Step 5: Solve for x
    x = 52,070,215,858.31/255,245.81
  6. Step 6: Final answer
    x = 204,000.28

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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.