Home / 236,071.72-325,777.17-128,641.42

Finding the Fourth Proportional to 236,071.72, 325,777.17 and 128,641.42

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Solution

The fourth proportional to 236,071.72, 325,777.17 and 128,641.42 is: 177,524.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,071.72 : 325,777.17 = 128,641.42 : x
  2. Step 2: Convert to fraction form
    236,071.72/325,777.17 = 128,641.42/x
  3. Step 3: Cross multiply
    236,071.72x = 325,777.17 × 128,641.42
  4. Step 4: Simplify right side
    236,071.72x = 41,908,437,752.38
  5. Step 5: Solve for x
    x = 41,908,437,752.38/236,071.72
  6. Step 6: Final answer
    x = 177,524.18

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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.