Home / 186,946.89-280,321.90-127,799.47

Finding the Fourth Proportional to 186,946.89, 280,321.90 and 127,799.47

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Solution

The fourth proportional to 186,946.89, 280,321.90 and 127,799.47 is: 191,631.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,946.89 : 280,321.90 = 127,799.47 : x
  2. Step 2: Convert to fraction form
    186,946.89/280,321.90 = 127,799.47/x
  3. Step 3: Cross multiply
    186,946.89x = 280,321.90 × 127,799.47
  4. Step 4: Simplify right side
    186,946.89x = 35,824,990,819.45
  5. Step 5: Solve for x
    x = 35,824,990,819.45/186,946.89
  6. Step 6: Final answer
    x = 191,631.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.