Home / 157,705.20-236,595.64-52,525.12

Finding the Fourth Proportional to 157,705.20, 236,595.64 and 52,525.12

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Solution

The fourth proportional to 157,705.20, 236,595.64 and 52,525.12 is: 78,800.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,705.20 : 236,595.64 = 52,525.12 : x
  2. Step 2: Convert to fraction form
    157,705.20/236,595.64 = 52,525.12/x
  3. Step 3: Cross multiply
    157,705.20x = 236,595.64 × 52,525.12
  4. Step 4: Simplify right side
    157,705.20x = 12,427,214,382.48
  5. Step 5: Solve for x
    x = 12,427,214,382.48/157,705.20
  6. Step 6: Final answer
    x = 78,800.28

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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.