Home / 255,287.26-352,303.86-140,577.76

Finding the Fourth Proportional to 255,287.26, 352,303.86 and 140,577.76

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Solution

The fourth proportional to 255,287.26, 352,303.86 and 140,577.76 is: 194,001.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,287.26 : 352,303.86 = 140,577.76 : x
  2. Step 2: Convert to fraction form
    255,287.26/352,303.86 = 140,577.76/x
  3. Step 3: Cross multiply
    255,287.26x = 352,303.86 × 140,577.76
  4. Step 4: Simplify right side
    255,287.26x = 49,526,087,478.15
  5. Step 5: Solve for x
    x = 49,526,087,478.15/255,287.26
  6. Step 6: Final answer
    x = 194,001.41

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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.