Home / 141,867.35-212,173.61-126,182.51

Finding the Fourth Proportional to 141,867.35, 212,173.61 and 126,182.51

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Solution

The fourth proportional to 141,867.35, 212,173.61 and 126,182.51 is: 188,715.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,867.35 : 212,173.61 = 126,182.51 : x
  2. Step 2: Convert to fraction form
    141,867.35/212,173.61 = 126,182.51/x
  3. Step 3: Cross multiply
    141,867.35x = 212,173.61 × 126,182.51
  4. Step 4: Simplify right side
    141,867.35x = 26,772,596,973.78
  5. Step 5: Solve for x
    x = 26,772,596,973.78/141,867.35
  6. Step 6: Final answer
    x = 188,715.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.