Home / 245,811.20-368,397.28-110,776.16

Finding the Fourth Proportional to 245,811.20, 368,397.28 and 110,776.16

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Solution

The fourth proportional to 245,811.20, 368,397.28 and 110,776.16 is: 166,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,811.20 : 368,397.28 = 110,776.16 : x
  2. Step 2: Convert to fraction form
    245,811.20/368,397.28 = 110,776.16/x
  3. Step 3: Cross multiply
    245,811.20x = 368,397.28 × 110,776.16
  4. Step 4: Simplify right side
    245,811.20x = 40,809,636,032.84
  5. Step 5: Solve for x
    x = 40,809,636,032.84/245,811.20
  6. Step 6: Final answer
    x = 166,020.25

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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.