Home / 186,227.22-256,999.40-105,658.14

Finding the Fourth Proportional to 186,227.22, 256,999.40 and 105,658.14

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Solution

The fourth proportional to 186,227.22, 256,999.40 and 105,658.14 is: 145,811.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,227.22 : 256,999.40 = 105,658.14 : x
  2. Step 2: Convert to fraction form
    186,227.22/256,999.40 = 105,658.14/x
  3. Step 3: Cross multiply
    186,227.22x = 256,999.40 × 105,658.14
  4. Step 4: Simplify right side
    186,227.22x = 27,154,078,585.12
  5. Step 5: Solve for x
    x = 27,154,078,585.12/186,227.22
  6. Step 6: Final answer
    x = 145,811.54

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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.