Home / 186,904.48-257,934-106,343.68

Finding the Fourth Proportional to 186,904.48, 257,934 and 106,343.68

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Solution

The fourth proportional to 186,904.48, 257,934 and 106,343.68 is: 146,757.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,904.48 : 257,934 = 106,343.68 : x
  2. Step 2: Convert to fraction form
    186,904.48/257,934 = 106,343.68/x
  3. Step 3: Cross multiply
    186,904.48x = 257,934 × 106,343.68
  4. Step 4: Simplify right side
    186,904.48x = 27,429,650,757.12
  5. Step 5: Solve for x
    x = 27,429,650,757.12/186,904.48
  6. Step 6: Final answer
    x = 146,757.59

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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.