Home / 186,725.34-257,636.66-106,146.50

Finding the Fourth Proportional to 186,725.34, 257,636.66 and 106,146.50

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Solution

The fourth proportional to 186,725.34, 257,636.66 and 106,146.50 is: 146,456.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,725.34 : 257,636.66 = 106,146.50 : x
  2. Step 2: Convert to fraction form
    186,725.34/257,636.66 = 106,146.50/x
  3. Step 3: Cross multiply
    186,725.34x = 257,636.66 × 106,146.50
  4. Step 4: Simplify right side
    186,725.34x = 27,347,227,911.77
  5. Step 5: Solve for x
    x = 27,347,227,911.77/186,725.34
  6. Step 6: Final answer
    x = 146,456.97

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1.5x scale

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.