Home / 261,741.29-361,160.64-163,613.05

Finding the Fourth Proportional to 261,741.29, 361,160.64 and 163,613.05

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Solution

The fourth proportional to 261,741.29, 361,160.64 and 163,613.05 is: 225,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,741.29 : 361,160.64 = 163,613.05 : x
  2. Step 2: Convert to fraction form
    261,741.29/361,160.64 = 163,613.05/x
  3. Step 3: Cross multiply
    261,741.29x = 361,160.64 × 163,613.05
  4. Step 4: Simplify right side
    261,741.29x = 59,090,594,298.54
  5. Step 5: Solve for x
    x = 59,090,594,298.54/261,741.29
  6. Step 6: Final answer
    x = 225,759.54

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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.