Home / 255,715.16-352,889.69-140,994.02

Finding the Fourth Proportional to 255,715.16, 352,889.69 and 140,994.02

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Solution

The fourth proportional to 255,715.16, 352,889.69 and 140,994.02 is: 194,573.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,715.16 : 352,889.69 = 140,994.02 : x
  2. Step 2: Convert to fraction form
    255,715.16/352,889.69 = 140,994.02/x
  3. Step 3: Cross multiply
    255,715.16x = 352,889.69 × 140,994.02
  4. Step 4: Simplify right side
    255,715.16x = 49,755,336,186.91
  5. Step 5: Solve for x
    x = 49,755,336,186.91/255,715.16
  6. Step 6: Final answer
    x = 194,573.28

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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.