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Finding the Fourth Proportional to 191,613.64, 264,406.80 and 118,014.34

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Solution

The fourth proportional to 191,613.64, 264,406.80 and 118,014.34 is: 162,847.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,613.64 : 264,406.80 = 118,014.34 : x
  2. Step 2: Convert to fraction form
    191,613.64/264,406.80 = 118,014.34/x
  3. Step 3: Cross multiply
    191,613.64x = 264,406.80 × 118,014.34
  4. Step 4: Simplify right side
    191,613.64x = 31,203,793,993.51
  5. Step 5: Solve for x
    x = 31,203,793,993.51/191,613.64
  6. Step 6: Final answer
    x = 162,847.46

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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.