Home / 157,749.38-236,483.06-57,886.42

Finding the Fourth Proportional to 157,749.38, 236,483.06 and 57,886.42

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Solution

The fourth proportional to 157,749.38, 236,483.06 and 57,886.42 is: 86,777.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,749.38 : 236,483.06 = 57,886.42 : x
  2. Step 2: Convert to fraction form
    157,749.38/236,483.06 = 57,886.42/x
  3. Step 3: Cross multiply
    157,749.38x = 236,483.06 × 57,886.42
  4. Step 4: Simplify right side
    157,749.38x = 13,689,157,734.05
  5. Step 5: Solve for x
    x = 13,689,157,734.05/157,749.38
  6. Step 6: Final answer
    x = 86,777.89

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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.