Home / 186,896.90-257,908.76-106,316.89

Finding the Fourth Proportional to 186,896.90, 257,908.76 and 106,316.89

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Solution

The fourth proportional to 186,896.90, 257,908.76 and 106,316.89 is: 146,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,896.90 : 257,908.76 = 106,316.89 : x
  2. Step 2: Convert to fraction form
    186,896.90/257,908.76 = 106,316.89/x
  3. Step 3: Cross multiply
    186,896.90x = 257,908.76 × 106,316.89
  4. Step 4: Simplify right side
    186,896.90x = 27,420,056,489.29
  5. Step 5: Solve for x
    x = 27,420,056,489.29/186,896.90
  6. Step 6: Final answer
    x = 146,712.20

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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.