Home / 197,288.04-272,284.16-111,264.72

Finding the Fourth Proportional to 197,288.04, 272,284.16 and 111,264.72

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Solution

The fourth proportional to 197,288.04, 272,284.16 and 111,264.72 is: 153,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,288.04 : 272,284.16 = 111,264.72 : x
  2. Step 2: Convert to fraction form
    197,288.04/272,284.16 = 111,264.72/x
  3. Step 3: Cross multiply
    197,288.04x = 272,284.16 × 111,264.72
  4. Step 4: Simplify right side
    197,288.04x = 30,295,620,822.84
  5. Step 5: Solve for x
    x = 30,295,620,822.84/197,288.04
  6. Step 6: Final answer
    x = 153,560.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.