Home / 157,939.16-236,898.98-52,749.32

Finding the Fourth Proportional to 157,939.16, 236,898.98 and 52,749.32

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Solution

The fourth proportional to 157,939.16, 236,898.98 and 52,749.32 is: 79,120.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,939.16 : 236,898.98 = 52,749.32 : x
  2. Step 2: Convert to fraction form
    157,939.16/236,898.98 = 52,749.32/x
  3. Step 3: Cross multiply
    157,939.16x = 236,898.98 × 52,749.32
  4. Step 4: Simplify right side
    157,939.16x = 12,496,260,103.69
  5. Step 5: Solve for x
    x = 12,496,260,103.69/157,939.16
  6. Step 6: Final answer
    x = 79,120.72

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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.