Home / 157,761.40-236,501.73-57,898.72

Finding the Fourth Proportional to 157,761.40, 236,501.73 and 57,898.72

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Solution

The fourth proportional to 157,761.40, 236,501.73 and 57,898.72 is: 86,796.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,761.40 : 236,501.73 = 57,898.72 : x
  2. Step 2: Convert to fraction form
    157,761.40/236,501.73 = 57,898.72/x
  3. Step 3: Cross multiply
    157,761.40x = 236,501.73 × 57,898.72
  4. Step 4: Simplify right side
    157,761.40x = 13,693,147,444.79
  5. Step 5: Solve for x
    x = 13,693,147,444.79/157,761.40
  6. Step 6: Final answer
    x = 86,796.56

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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.