Home / 186,895.14-257,948.73-111,448.50

Finding the Fourth Proportional to 186,895.14, 257,948.73 and 111,448.50

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Solution

The fourth proportional to 186,895.14, 257,948.73 and 111,448.50 is: 153,818.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,895.14 : 257,948.73 = 111,448.50 : x
  2. Step 2: Convert to fraction form
    186,895.14/257,948.73 = 111,448.50/x
  3. Step 3: Cross multiply
    186,895.14x = 257,948.73 × 111,448.50
  4. Step 4: Simplify right side
    186,895.14x = 28,747,999,035.41
  5. Step 5: Solve for x
    x = 28,747,999,035.41/186,895.14
  6. Step 6: Final answer
    x = 153,818.87

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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.