Home / 186,869.50-257,887.02-106,304.38

Finding the Fourth Proportional to 186,869.50, 257,887.02 and 106,304.38

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Solution

The fourth proportional to 186,869.50, 257,887.02 and 106,304.38 is: 146,704.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,869.50 : 257,887.02 = 106,304.38 : x
  2. Step 2: Convert to fraction form
    186,869.50/257,887.02 = 106,304.38/x
  3. Step 3: Cross multiply
    186,869.50x = 257,887.02 × 106,304.38
  4. Step 4: Simplify right side
    186,869.50x = 27,414,519,771.15
  5. Step 5: Solve for x
    x = 27,414,519,771.15/186,869.50
  6. Step 6: Final answer
    x = 146,704.09

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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.