Home / 111,562.08-153,011.76-98,964.96

Finding the Fourth Proportional to 111,562.08, 153,011.76 and 98,964.96

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Solution

The fourth proportional to 111,562.08, 153,011.76 and 98,964.96 is: 135,734.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,562.08 : 153,011.76 = 98,964.96 : x
  2. Step 2: Convert to fraction form
    111,562.08/153,011.76 = 98,964.96/x
  3. Step 3: Cross multiply
    111,562.08x = 153,011.76 × 98,964.96
  4. Step 4: Simplify right side
    111,562.08x = 15,142,802,707.93
  5. Step 5: Solve for x
    x = 15,142,802,707.93/111,562.08
  6. Step 6: Final answer
    x = 135,734.32

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.