Home / 157,849.92-236,749.32-57,985.56

Finding the Fourth Proportional to 157,849.92, 236,749.32 and 57,985.56

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Solution

The fourth proportional to 157,849.92, 236,749.32 and 57,985.56 is: 86,968.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,849.92 : 236,749.32 = 57,985.56 : x
  2. Step 2: Convert to fraction form
    157,849.92/236,749.32 = 57,985.56/x
  3. Step 3: Cross multiply
    157,849.92x = 236,749.32 × 57,985.56
  4. Step 4: Simplify right side
    157,849.92x = 13,728,041,899.82
  5. Step 5: Solve for x
    x = 13,728,041,899.82/157,849.92
  6. Step 6: Final answer
    x = 86,968.95

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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.