Home / 157,580.70-236,403.45-52,475.10

Finding the Fourth Proportional to 157,580.70, 236,403.45 and 52,475.10

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Solution

The fourth proportional to 157,580.70, 236,403.45 and 52,475.10 is: 78,723.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,580.70 : 236,403.45 = 52,475.10 : x
  2. Step 2: Convert to fraction form
    157,580.70/236,403.45 = 52,475.10/x
  3. Step 3: Cross multiply
    157,580.70x = 236,403.45 × 52,475.10
  4. Step 4: Simplify right side
    157,580.70x = 12,405,294,679.10
  5. Step 5: Solve for x
    x = 12,405,294,679.10/157,580.70
  6. Step 6: Final answer
    x = 78,723.44

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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.