Home / 240,614.95-332,122.66-138,708.57

Finding the Fourth Proportional to 240,614.95, 332,122.66 and 138,708.57

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Solution

The fourth proportional to 240,614.95, 332,122.66 and 138,708.57 is: 191,460.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,614.95 : 332,122.66 = 138,708.57 : x
  2. Step 2: Convert to fraction form
    240,614.95/332,122.66 = 138,708.57/x
  3. Step 3: Cross multiply
    240,614.95x = 332,122.66 × 138,708.57
  4. Step 4: Simplify right side
    240,614.95x = 46,068,258,886.42
  5. Step 5: Solve for x
    x = 46,068,258,886.42/240,614.95
  6. Step 6: Final answer
    x = 191,460.50

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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.