Home / 157,839.21-237,824.40-130,374.59

Finding the Fourth Proportional to 157,839.21, 237,824.40 and 130,374.59

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Solution

The fourth proportional to 157,839.21, 237,824.40 and 130,374.59 is: 196,442.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,839.21 : 237,824.40 = 130,374.59 : x
  2. Step 2: Convert to fraction form
    157,839.21/237,824.40 = 130,374.59/x
  3. Step 3: Cross multiply
    157,839.21x = 237,824.40 × 130,374.59
  4. Step 4: Simplify right side
    157,839.21x = 31,006,258,610.66
  5. Step 5: Solve for x
    x = 31,006,258,610.66/157,839.21
  6. Step 6: Final answer
    x = 196,442.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.