Home / 186,916.46-257,910.21-106,339.28

Finding the Fourth Proportional to 186,916.46, 257,910.21 and 106,339.28

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Solution

The fourth proportional to 186,916.46, 257,910.21 and 106,339.28 is: 146,728.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,916.46 : 257,910.21 = 106,339.28 : x
  2. Step 2: Convert to fraction form
    186,916.46/257,910.21 = 106,339.28/x
  3. Step 3: Cross multiply
    186,916.46x = 257,910.21 × 106,339.28
  4. Step 4: Simplify right side
    186,916.46x = 27,425,984,746.50
  5. Step 5: Solve for x
    x = 27,425,984,746.50/186,916.46
  6. Step 6: Final answer
    x = 146,728.57

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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.