Home / 164,851.20-247,276.80-111,707.10

Finding the Fourth Proportional to 164,851.20, 247,276.80 and 111,707.10

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Solution

The fourth proportional to 164,851.20, 247,276.80 and 111,707.10 is: 167,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,851.20 : 247,276.80 = 111,707.10 : x
  2. Step 2: Convert to fraction form
    164,851.20/247,276.80 = 111,707.10/x
  3. Step 3: Cross multiply
    164,851.20x = 247,276.80 × 111,707.10
  4. Step 4: Simplify right side
    164,851.20x = 27,622,574,225.28
  5. Step 5: Solve for x
    x = 27,622,574,225.28/164,851.20
  6. Step 6: Final answer
    x = 167,560.65

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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.