Home / 165,557.51-228,586.53-129,299.81

Finding the Fourth Proportional to 165,557.51, 228,586.53 and 129,299.81

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Solution

The fourth proportional to 165,557.51, 228,586.53 and 129,299.81 is: 178,525.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,557.51 : 228,586.53 = 129,299.81 : x
  2. Step 2: Convert to fraction form
    165,557.51/228,586.53 = 129,299.81/x
  3. Step 3: Cross multiply
    165,557.51x = 228,586.53 × 129,299.81
  4. Step 4: Simplify right side
    165,557.51x = 29,556,194,897.56
  5. Step 5: Solve for x
    x = 29,556,194,897.56/165,557.51
  6. Step 6: Final answer
    x = 178,525.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.