Home / 236,113.96-325,827.77-128,681.69

Finding the Fourth Proportional to 236,113.96, 325,827.77 and 128,681.69

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Solution

The fourth proportional to 236,113.96, 325,827.77 and 128,681.69 is: 177,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,113.96 : 325,827.77 = 128,681.69 : x
  2. Step 2: Convert to fraction form
    236,113.96/325,827.77 = 128,681.69/x
  3. Step 3: Cross multiply
    236,113.96x = 325,827.77 × 128,681.69
  4. Step 4: Simplify right side
    236,113.96x = 41,928,066,463.39
  5. Step 5: Solve for x
    x = 41,928,066,463.39/236,113.96
  6. Step 6: Final answer
    x = 177,575.55

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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.