Home / 186,395.85-257,233.56-105,830.88

Finding the Fourth Proportional to 186,395.85, 257,233.56 and 105,830.88

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Solution

The fourth proportional to 186,395.85, 257,233.56 and 105,830.88 is: 146,050.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,395.85 : 257,233.56 = 105,830.88 : x
  2. Step 2: Convert to fraction form
    186,395.85/257,233.56 = 105,830.88/x
  3. Step 3: Cross multiply
    186,395.85x = 257,233.56 × 105,830.88
  4. Step 4: Simplify right side
    186,395.85x = 27,223,254,020.33
  5. Step 5: Solve for x
    x = 27,223,254,020.33/186,395.85
  6. Step 6: Final answer
    x = 146,050.75

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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.