Home / 157,890.15-236,928.60-58,120.47

Finding the Fourth Proportional to 157,890.15, 236,928.60 and 58,120.47

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Solution

The fourth proportional to 157,890.15, 236,928.60 and 58,120.47 is: 87,215.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,890.15 : 236,928.60 = 58,120.47 : x
  2. Step 2: Convert to fraction form
    157,890.15/236,928.60 = 58,120.47/x
  3. Step 3: Cross multiply
    157,890.15x = 236,928.60 × 58,120.47
  4. Step 4: Simplify right side
    157,890.15x = 13,770,401,588.44
  5. Step 5: Solve for x
    x = 13,770,401,588.44/157,890.15
  6. Step 6: Final answer
    x = 87,215.08

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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.