Home / 186,116.54-256,833.05-109,638.77

Finding the Fourth Proportional to 186,116.54, 256,833.05 and 109,638.77

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Solution

The fourth proportional to 186,116.54, 256,833.05 and 109,638.77 is: 151,296.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,116.54 : 256,833.05 = 109,638.77 : x
  2. Step 2: Convert to fraction form
    186,116.54/256,833.05 = 109,638.77/x
  3. Step 3: Cross multiply
    186,116.54x = 256,833.05 × 109,638.77
  4. Step 4: Simplify right side
    186,116.54x = 28,158,857,864.99
  5. Step 5: Solve for x
    x = 28,158,857,864.99/186,116.54
  6. Step 6: Final answer
    x = 151,296.92

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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.