Home / 186,916.83-257,941.90-106,342.62

Finding the Fourth Proportional to 186,916.83, 257,941.90 and 106,342.62

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Solution

The fourth proportional to 186,916.83, 257,941.90 and 106,342.62 is: 146,750.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,916.83 : 257,941.90 = 106,342.62 : x
  2. Step 2: Convert to fraction form
    186,916.83/257,941.90 = 106,342.62/x
  3. Step 3: Cross multiply
    186,916.83x = 257,941.90 × 106,342.62
  4. Step 4: Simplify right side
    186,916.83x = 27,430,216,619.42
  5. Step 5: Solve for x
    x = 27,430,216,619.42/186,916.83
  6. Step 6: Final answer
    x = 146,750.92

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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.