Home / 236,035.13-325,732.20-128,605.16

Finding the Fourth Proportional to 236,035.13, 325,732.20 and 128,605.16

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Solution

The fourth proportional to 236,035.13, 325,732.20 and 128,605.16 is: 177,477.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,035.13 : 325,732.20 = 128,605.16 : x
  2. Step 2: Convert to fraction form
    236,035.13/325,732.20 = 128,605.16/x
  3. Step 3: Cross multiply
    236,035.13x = 325,732.20 × 128,605.16
  4. Step 4: Simplify right side
    236,035.13x = 41,890,841,698.15
  5. Step 5: Solve for x
    x = 41,890,841,698.15/236,035.13
  6. Step 6: Final answer
    x = 177,477.15

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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.