Home / 158,490.12-237,749.88-57,313.48

Finding the Fourth Proportional to 158,490.12, 237,749.88 and 57,313.48

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Solution

The fourth proportional to 158,490.12, 237,749.88 and 57,313.48 is: 85,975.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,490.12 : 237,749.88 = 57,313.48 : x
  2. Step 2: Convert to fraction form
    158,490.12/237,749.88 = 57,313.48/x
  3. Step 3: Cross multiply
    158,490.12x = 237,749.88 × 57,313.48
  4. Step 4: Simplify right side
    158,490.12x = 13,626,272,992.38
  5. Step 5: Solve for x
    x = 13,626,272,992.38/158,490.12
  6. Step 6: Final answer
    x = 85,975.54

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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.