Home / 186,231.08-256,998.90-101,346.28

Finding the Fourth Proportional to 186,231.08, 256,998.90 and 101,346.28

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Solution

The fourth proportional to 186,231.08, 256,998.90 and 101,346.28 is: 139,857.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,231.08 : 256,998.90 = 101,346.28 : x
  2. Step 2: Convert to fraction form
    186,231.08/256,998.90 = 101,346.28/x
  3. Step 3: Cross multiply
    186,231.08x = 256,998.90 × 101,346.28
  4. Step 4: Simplify right side
    186,231.08x = 26,045,882,479.09
  5. Step 5: Solve for x
    x = 26,045,882,479.09/186,231.08
  6. Step 6: Final answer
    x = 139,857.87

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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.