Home / 236,017.21-325,703.77-128,587.24

Finding the Fourth Proportional to 236,017.21, 325,703.77 and 128,587.24

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Solution

The fourth proportional to 236,017.21, 325,703.77 and 128,587.24 is: 177,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,017.21 : 325,703.77 = 128,587.24 : x
  2. Step 2: Convert to fraction form
    236,017.21/325,703.77 = 128,587.24/x
  3. Step 3: Cross multiply
    236,017.21x = 325,703.77 × 128,587.24
  4. Step 4: Simplify right side
    236,017.21x = 41,881,347,213.38
  5. Step 5: Solve for x
    x = 41,881,347,213.38/236,017.21
  6. Step 6: Final answer
    x = 177,450.40

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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.