Home / 169,917.20-254,867.70-57,586.40

Finding the Fourth Proportional to 169,917.20, 254,867.70 and 57,586.40

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Solution

The fourth proportional to 169,917.20, 254,867.70 and 57,586.40 is: 86,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,917.20 : 254,867.70 = 57,586.40 : x
  2. Step 2: Convert to fraction form
    169,917.20/254,867.70 = 57,586.40/x
  3. Step 3: Cross multiply
    169,917.20x = 254,867.70 × 57,586.40
  4. Step 4: Simplify right side
    169,917.20x = 14,676,913,319.28
  5. Step 5: Solve for x
    x = 14,676,913,319.28/169,917.20
  6. Step 6: Final answer
    x = 86,376.85

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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.