Home / 263,406.42-363,500.87-142,547.72

Finding the Fourth Proportional to 263,406.42, 363,500.87 and 142,547.72

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Solution

The fourth proportional to 263,406.42, 363,500.87 and 142,547.72 is: 196,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,406.42 : 363,500.87 = 142,547.72 : x
  2. Step 2: Convert to fraction form
    263,406.42/363,500.87 = 142,547.72/x
  3. Step 3: Cross multiply
    263,406.42x = 363,500.87 × 142,547.72
  4. Step 4: Simplify right side
    263,406.42x = 51,816,217,706.27
  5. Step 5: Solve for x
    x = 51,816,217,706.27/263,406.42
  6. Step 6: Final answer
    x = 196,715.85

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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.