Home / 191,613.60-264,226.34-143,139.56

Finding the Fourth Proportional to 191,613.60, 264,226.34 and 143,139.56

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Solution

The fourth proportional to 191,613.60, 264,226.34 and 143,139.56 is: 197,382.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,613.60 : 264,226.34 = 143,139.56 : x
  2. Step 2: Convert to fraction form
    191,613.60/264,226.34 = 143,139.56/x
  3. Step 3: Cross multiply
    191,613.60x = 264,226.34 × 143,139.56
  4. Step 4: Simplify right side
    191,613.60x = 37,821,240,011.18
  5. Step 5: Solve for x
    x = 37,821,240,011.18/191,613.60
  6. Step 6: Final answer
    x = 197,382.86

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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.