Home / 157,556.68-236,212.14-78,631.24

Finding the Fourth Proportional to 157,556.68, 236,212.14 and 78,631.24

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Solution

The fourth proportional to 157,556.68, 236,212.14 and 78,631.24 is: 117,885.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,556.68 : 236,212.14 = 78,631.24 : x
  2. Step 2: Convert to fraction form
    157,556.68/236,212.14 = 78,631.24/x
  3. Step 3: Cross multiply
    157,556.68x = 236,212.14 × 78,631.24
  4. Step 4: Simplify right side
    157,556.68x = 18,573,653,471.25
  5. Step 5: Solve for x
    x = 18,573,653,471.25/157,556.68
  6. Step 6: Final answer
    x = 117,885.53

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1.5x scale

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.