Home / 133,077.10-199,615.65-126,516.10

Finding the Fourth Proportional to 133,077.10, 199,615.65 and 126,516.10

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Solution

The fourth proportional to 133,077.10, 199,615.65 and 126,516.10 is: 189,774.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,077.10 : 199,615.65 = 126,516.10 : x
  2. Step 2: Convert to fraction form
    133,077.10/199,615.65 = 126,516.10/x
  3. Step 3: Cross multiply
    133,077.10x = 199,615.65 × 126,516.10
  4. Step 4: Simplify right side
    133,077.10x = 25,254,593,536.97
  5. Step 5: Solve for x
    x = 25,254,593,536.97/133,077.10
  6. Step 6: Final answer
    x = 189,774.15

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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.