Home / 133,079.10-199,618.65-126,518.10

Finding the Fourth Proportional to 133,079.10, 199,618.65 and 126,518.10

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Solution

The fourth proportional to 133,079.10, 199,618.65 and 126,518.10 is: 189,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,079.10 : 199,618.65 = 126,518.10 : x
  2. Step 2: Convert to fraction form
    133,079.10/199,618.65 = 126,518.10/x
  3. Step 3: Cross multiply
    133,079.10x = 199,618.65 × 126,518.10
  4. Step 4: Simplify right side
    133,079.10x = 25,255,372,322.57
  5. Step 5: Solve for x
    x = 25,255,372,322.57/133,079.10
  6. Step 6: Final answer
    x = 189,777.15

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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.