Home / 236,020.56-325,712.11-128,590.56

Finding the Fourth Proportional to 236,020.56, 325,712.11 and 128,590.56

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Solution

The fourth proportional to 236,020.56, 325,712.11 and 128,590.56 is: 177,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,020.56 : 325,712.11 = 128,590.56 : x
  2. Step 2: Convert to fraction form
    236,020.56/325,712.11 = 128,590.56/x
  3. Step 3: Cross multiply
    236,020.56x = 325,712.11 × 128,590.56
  4. Step 4: Simplify right side
    236,020.56x = 41,883,502,302.21
  5. Step 5: Solve for x
    x = 41,883,502,302.21/236,020.56
  6. Step 6: Final answer
    x = 177,457.01

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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.