Home / 215,672.49-297,624.05-117,556.57

Finding the Fourth Proportional to 215,672.49, 297,624.05 and 117,556.57

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Solution

The fourth proportional to 215,672.49, 297,624.05 and 117,556.57 is: 162,225.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,672.49 : 297,624.05 = 117,556.57 : x
  2. Step 2: Convert to fraction form
    215,672.49/297,624.05 = 117,556.57/x
  3. Step 3: Cross multiply
    215,672.49x = 297,624.05 × 117,556.57
  4. Step 4: Simplify right side
    215,672.49x = 34,987,662,467.51
  5. Step 5: Solve for x
    x = 34,987,662,467.51/215,672.49
  6. Step 6: Final answer
    x = 162,225.89

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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.