Home / 186,927.75-257,961.38-102,045.69

Finding the Fourth Proportional to 186,927.75, 257,961.38 and 102,045.69

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Solution

The fourth proportional to 186,927.75, 257,961.38 and 102,045.69 is: 140,823.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,927.75 : 257,961.38 = 102,045.69 : x
  2. Step 2: Convert to fraction form
    186,927.75/257,961.38 = 102,045.69/x
  3. Step 3: Cross multiply
    186,927.75x = 257,961.38 × 102,045.69
  4. Step 4: Simplify right side
    186,927.75x = 26,323,846,505.22
  5. Step 5: Solve for x
    x = 26,323,846,505.22/186,927.75
  6. Step 6: Final answer
    x = 140,823.64

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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.