Home / 191,853.20-264,561.31-127,299.85

Finding the Fourth Proportional to 191,853.20, 264,561.31 and 127,299.85

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Solution

The fourth proportional to 191,853.20, 264,561.31 and 127,299.85 is: 175,543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,853.20 : 264,561.31 = 127,299.85 : x
  2. Step 2: Convert to fraction form
    191,853.20/264,561.31 = 127,299.85/x
  3. Step 3: Cross multiply
    191,853.20x = 264,561.31 × 127,299.85
  4. Step 4: Simplify right side
    191,853.20x = 33,678,615,078.80
  5. Step 5: Solve for x
    x = 33,678,615,078.80/191,853.20
  6. Step 6: Final answer
    x = 175,543.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.