Home / 188,762.15-283,192.23-70,434.38

Finding the Fourth Proportional to 188,762.15, 283,192.23 and 70,434.38

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Solution

The fourth proportional to 188,762.15, 283,192.23 and 70,434.38 is: 105,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,762.15 : 283,192.23 = 70,434.38 : x
  2. Step 2: Convert to fraction form
    188,762.15/283,192.23 = 70,434.38/x
  3. Step 3: Cross multiply
    188,762.15x = 283,192.23 × 70,434.38
  4. Step 4: Simplify right side
    188,762.15x = 19,946,467,724.91
  5. Step 5: Solve for x
    x = 19,946,467,724.91/188,762.15
  6. Step 6: Final answer
    x = 105,669.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.