Home / 170,047.20-254,852.10-103,416.60

Finding the Fourth Proportional to 170,047.20, 254,852.10 and 103,416.60

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Solution

The fourth proportional to 170,047.20, 254,852.10 and 103,416.60 is: 154,991.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,047.20 : 254,852.10 = 103,416.60 : x
  2. Step 2: Convert to fraction form
    170,047.20/254,852.10 = 103,416.60/x
  3. Step 3: Cross multiply
    170,047.20x = 254,852.10 × 103,416.60
  4. Step 4: Simplify right side
    170,047.20x = 26,355,937,684.86
  5. Step 5: Solve for x
    x = 26,355,937,684.86/170,047.20
  6. Step 6: Final answer
    x = 154,991.89

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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.