Home / 186,062.08-256,757.91-105,495.05

Finding the Fourth Proportional to 186,062.08, 256,757.91 and 105,495.05

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Solution

The fourth proportional to 186,062.08, 256,757.91 and 105,495.05 is: 145,578.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,062.08 : 256,757.91 = 105,495.05 : x
  2. Step 2: Convert to fraction form
    186,062.08/256,757.91 = 105,495.05/x
  3. Step 3: Cross multiply
    186,062.08x = 256,757.91 × 105,495.05
  4. Step 4: Simplify right side
    186,062.08x = 27,086,688,553.35
  5. Step 5: Solve for x
    x = 27,086,688,553.35/186,062.08
  6. Step 6: Final answer
    x = 145,578.77

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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.