Home / 111,630.30-167,445.45-99,188.70

Finding the Fourth Proportional to 111,630.30, 167,445.45 and 99,188.70

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Solution

The fourth proportional to 111,630.30, 167,445.45 and 99,188.70 is: 148,783.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,630.30 : 167,445.45 = 99,188.70 : x
  2. Step 2: Convert to fraction form
    111,630.30/167,445.45 = 99,188.70/x
  3. Step 3: Cross multiply
    111,630.30x = 167,445.45 × 99,188.70
  4. Step 4: Simplify right side
    111,630.30x = 16,608,696,506.42
  5. Step 5: Solve for x
    x = 16,608,696,506.42/111,630.30
  6. Step 6: Final answer
    x = 148,783.05

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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.