Home / 263,543.08-363,689.68-142,684.46

Finding the Fourth Proportional to 263,543.08, 363,689.68 and 142,684.46

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Solution

The fourth proportional to 263,543.08, 363,689.68 and 142,684.46 is: 196,904.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,543.08 : 363,689.68 = 142,684.46 : x
  2. Step 2: Convert to fraction form
    263,543.08/363,689.68 = 142,684.46/x
  3. Step 3: Cross multiply
    263,543.08x = 363,689.68 × 142,684.46
  4. Step 4: Simplify right side
    263,543.08x = 51,892,865,598.37
  5. Step 5: Solve for x
    x = 51,892,865,598.37/263,543.08
  6. Step 6: Final answer
    x = 196,904.68

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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.