Home / 216,610.47-299,063.34-193,910.76

Finding the Fourth Proportional to 216,610.47, 299,063.34 and 193,910.76

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Solution

The fourth proportional to 216,610.47, 299,063.34 and 193,910.76 is: 267,722.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,610.47 : 299,063.34 = 193,910.76 : x
  2. Step 2: Convert to fraction form
    216,610.47/299,063.34 = 193,910.76/x
  3. Step 3: Cross multiply
    216,610.47x = 299,063.34 × 193,910.76
  4. Step 4: Simplify right side
    216,610.47x = 57,991,599,547.54
  5. Step 5: Solve for x
    x = 57,991,599,547.54/216,610.47
  6. Step 6: Final answer
    x = 267,722.98

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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.