Home / 112,181.96-154,827.86-71,941.16

Finding the Fourth Proportional to 112,181.96, 154,827.86 and 71,941.16

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Solution

The fourth proportional to 112,181.96, 154,827.86 and 71,941.16 is: 99,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,181.96 : 154,827.86 = 71,941.16 : x
  2. Step 2: Convert to fraction form
    112,181.96/154,827.86 = 71,941.16/x
  3. Step 3: Cross multiply
    112,181.96x = 154,827.86 × 71,941.16
  4. Step 4: Simplify right side
    112,181.96x = 11,138,495,848.72
  5. Step 5: Solve for x
    x = 11,138,495,848.72/112,181.96
  6. Step 6: Final answer
    x = 99,289.55

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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.