Home / 236,026.75-325,712.81-128,597.56

Finding the Fourth Proportional to 236,026.75, 325,712.81 and 128,597.56

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Solution

The fourth proportional to 236,026.75, 325,712.81 and 128,597.56 is: 177,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,026.75 : 325,712.81 = 128,597.56 : x
  2. Step 2: Convert to fraction form
    236,026.75/325,712.81 = 128,597.56/x
  3. Step 3: Cross multiply
    236,026.75x = 325,712.81 × 128,597.56
  4. Step 4: Simplify right side
    236,026.75x = 41,885,872,626.74
  5. Step 5: Solve for x
    x = 41,885,872,626.74/236,026.75
  6. Step 6: Final answer
    x = 177,462.40

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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.