Home / 186,628.60-279,942.90-102,356.20

Finding the Fourth Proportional to 186,628.60, 279,942.90 and 102,356.20

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Solution

The fourth proportional to 186,628.60, 279,942.90 and 102,356.20 is: 153,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,628.60 : 279,942.90 = 102,356.20 : x
  2. Step 2: Convert to fraction form
    186,628.60/279,942.90 = 102,356.20/x
  3. Step 3: Cross multiply
    186,628.60x = 279,942.90 × 102,356.20
  4. Step 4: Simplify right side
    186,628.60x = 28,653,891,460.98
  5. Step 5: Solve for x
    x = 28,653,891,460.98/186,628.60
  6. Step 6: Final answer
    x = 153,534.30

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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.