Home / 170,039.40-255,068.70-51,714.60

Finding the Fourth Proportional to 170,039.40, 255,068.70 and 51,714.60

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Solution

The fourth proportional to 170,039.40, 255,068.70 and 51,714.60 is: 77,574.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,039.40 : 255,068.70 = 51,714.60 : x
  2. Step 2: Convert to fraction form
    170,039.40/255,068.70 = 51,714.60/x
  3. Step 3: Cross multiply
    170,039.40x = 255,068.70 × 51,714.60
  4. Step 4: Simplify right side
    170,039.40x = 13,190,775,793.02
  5. Step 5: Solve for x
    x = 13,190,775,793.02/170,039.40
  6. Step 6: Final answer
    x = 77,574.82

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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.