Home / 136,347.84-188,218.08-91,661.76

Finding the Fourth Proportional to 136,347.84, 188,218.08 and 91,661.76

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Solution

The fourth proportional to 136,347.84, 188,218.08 and 91,661.76 is: 126,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,347.84 : 188,218.08 = 91,661.76 : x
  2. Step 2: Convert to fraction form
    136,347.84/188,218.08 = 91,661.76/x
  3. Step 3: Cross multiply
    136,347.84x = 188,218.08 × 91,661.76
  4. Step 4: Simplify right side
    136,347.84x = 17,252,400,476.62
  5. Step 5: Solve for x
    x = 17,252,400,476.62/136,347.84
  6. Step 6: Final answer
    x = 126,532.26

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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.