Home / 255,308.42-352,328.19-140,597.72

Finding the Fourth Proportional to 255,308.42, 352,328.19 and 140,597.72

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Solution

The fourth proportional to 255,308.42, 352,328.19 and 140,597.72 is: 194,026.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,308.42 : 352,328.19 = 140,597.72 : x
  2. Step 2: Convert to fraction form
    255,308.42/352,328.19 = 140,597.72/x
  3. Step 3: Cross multiply
    255,308.42x = 352,328.19 × 140,597.72
  4. Step 4: Simplify right side
    255,308.42x = 49,536,541,219.92
  5. Step 5: Solve for x
    x = 49,536,541,219.92/255,308.42
  6. Step 6: Final answer
    x = 194,026.28

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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.