Home / 111,860.10-167,617.35-96,999.30

Finding the Fourth Proportional to 111,860.10, 167,617.35 and 96,999.30

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Solution

The fourth proportional to 111,860.10, 167,617.35 and 96,999.30 is: 145,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,860.10 : 167,617.35 = 96,999.30 : x
  2. Step 2: Convert to fraction form
    111,860.10/167,617.35 = 96,999.30/x
  3. Step 3: Cross multiply
    111,860.10x = 167,617.35 × 96,999.30
  4. Step 4: Simplify right side
    111,860.10x = 16,258,765,617.86
  5. Step 5: Solve for x
    x = 16,258,765,617.86/111,860.10
  6. Step 6: Final answer
    x = 145,349.11

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1.5x scale

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.