Home / 186,572.17-257,469.69-105,999.84

Finding the Fourth Proportional to 186,572.17, 257,469.69 and 105,999.84

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Solution

The fourth proportional to 186,572.17, 257,469.69 and 105,999.84 is: 146,279.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,572.17 : 257,469.69 = 105,999.84 : x
  2. Step 2: Convert to fraction form
    186,572.17/257,469.69 = 105,999.84/x
  3. Step 3: Cross multiply
    186,572.17x = 257,469.69 × 105,999.84
  4. Step 4: Simplify right side
    186,572.17x = 27,291,745,944.85
  5. Step 5: Solve for x
    x = 27,291,745,944.85/186,572.17
  6. Step 6: Final answer
    x = 146,279.83

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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.