Home / 157,555.18-236,289.03-43,675.80

Finding the Fourth Proportional to 157,555.18, 236,289.03 and 43,675.80

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Solution

The fourth proportional to 157,555.18, 236,289.03 and 43,675.80 is: 65,501.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,555.18 : 236,289.03 = 43,675.80 : x
  2. Step 2: Convert to fraction form
    157,555.18/236,289.03 = 43,675.80/x
  3. Step 3: Cross multiply
    157,555.18x = 236,289.03 × 43,675.80
  4. Step 4: Simplify right side
    157,555.18x = 10,320,112,416.47
  5. Step 5: Solve for x
    x = 10,320,112,416.47/157,555.18
  6. Step 6: Final answer
    x = 65,501.57

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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.