Home / 111,587.04-167,403.36-100,433.28

Finding the Fourth Proportional to 111,587.04, 167,403.36 and 100,433.28

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Solution

The fourth proportional to 111,587.04, 167,403.36 and 100,433.28 is: 150,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,587.04 : 167,403.36 = 100,433.28 : x
  2. Step 2: Convert to fraction form
    111,587.04/167,403.36 = 100,433.28/x
  3. Step 3: Cross multiply
    111,587.04x = 167,403.36 × 100,433.28
  4. Step 4: Simplify right side
    111,587.04x = 16,812,868,527.82
  5. Step 5: Solve for x
    x = 16,812,868,527.82/111,587.04
  6. Step 6: Final answer
    x = 150,670.44

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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.