Home / 173,938.31-239,928.75-115,001.57

Finding the Fourth Proportional to 173,938.31, 239,928.75 and 115,001.57

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Solution

The fourth proportional to 173,938.31, 239,928.75 and 115,001.57 is: 158,632.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,938.31 : 239,928.75 = 115,001.57 : x
  2. Step 2: Convert to fraction form
    173,938.31/239,928.75 = 115,001.57/x
  3. Step 3: Cross multiply
    173,938.31x = 239,928.75 × 115,001.57
  4. Step 4: Simplify right side
    173,938.31x = 27,592,181,738.49
  5. Step 5: Solve for x
    x = 27,592,181,738.49/173,938.31
  6. Step 6: Final answer
    x = 158,632.00

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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.