Home / 157,583.34-236,418.75-87,511.86

Finding the Fourth Proportional to 157,583.34, 236,418.75 and 87,511.86

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Solution

The fourth proportional to 157,583.34, 236,418.75 and 87,511.86 is: 131,292.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,583.34 : 236,418.75 = 87,511.86 : x
  2. Step 2: Convert to fraction form
    157,583.34/236,418.75 = 87,511.86/x
  3. Step 3: Cross multiply
    157,583.34x = 236,418.75 × 87,511.86
  4. Step 4: Simplify right side
    157,583.34x = 20,689,444,551.38
  5. Step 5: Solve for x
    x = 20,689,444,551.38/157,583.34
  6. Step 6: Final answer
    x = 131,292.08

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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.