Home / 186,475.10-279,056.55-170,728.70

Finding the Fourth Proportional to 186,475.10, 279,056.55 and 170,728.70

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Solution

The fourth proportional to 186,475.10, 279,056.55 and 170,728.70 is: 255,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,475.10 : 279,056.55 = 170,728.70 : x
  2. Step 2: Convert to fraction form
    186,475.10/279,056.55 = 170,728.70/x
  3. Step 3: Cross multiply
    186,475.10x = 279,056.55 × 170,728.70
  4. Step 4: Simplify right side
    186,475.10x = 47,642,962,007.99
  5. Step 5: Solve for x
    x = 47,642,962,007.99/186,475.10
  6. Step 6: Final answer
    x = 255,492.35

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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.