Home / 146,835.38-202,730.34-112,782.98

Finding the Fourth Proportional to 146,835.38, 202,730.34 and 112,782.98

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Solution

The fourth proportional to 146,835.38, 202,730.34 and 112,782.98 is: 155,715.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,835.38 : 202,730.34 = 112,782.98 : x
  2. Step 2: Convert to fraction form
    146,835.38/202,730.34 = 112,782.98/x
  3. Step 3: Cross multiply
    146,835.38x = 202,730.34 × 112,782.98
  4. Step 4: Simplify right side
    146,835.38x = 22,864,532,811.38
  5. Step 5: Solve for x
    x = 22,864,532,811.38/146,835.38
  6. Step 6: Final answer
    x = 155,715.42

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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.