Home / 186,845.94-257,847.44-106,289.10

Finding the Fourth Proportional to 186,845.94, 257,847.44 and 106,289.10

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Solution

The fourth proportional to 186,845.94, 257,847.44 and 106,289.10 is: 146,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,845.94 : 257,847.44 = 106,289.10 : x
  2. Step 2: Convert to fraction form
    186,845.94/257,847.44 = 106,289.10/x
  3. Step 3: Cross multiply
    186,845.94x = 257,847.44 × 106,289.10
  4. Step 4: Simplify right side
    186,845.94x = 27,406,371,803.46
  5. Step 5: Solve for x
    x = 27,406,371,803.46/186,845.94
  6. Step 6: Final answer
    x = 146,678.98

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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.