Home / 157,777.08-236,751.75-91,346.96

Finding the Fourth Proportional to 157,777.08, 236,751.75 and 91,346.96

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Solution

The fourth proportional to 157,777.08, 236,751.75 and 91,346.96 is: 137,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,777.08 : 236,751.75 = 91,346.96 : x
  2. Step 2: Convert to fraction form
    157,777.08/236,751.75 = 91,346.96/x
  3. Step 3: Cross multiply
    157,777.08x = 236,751.75 × 91,346.96
  4. Step 4: Simplify right side
    157,777.08x = 21,626,551,453.42
  5. Step 5: Solve for x
    x = 21,626,551,453.42/157,777.08
  6. Step 6: Final answer
    x = 137,070.30

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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.