Home / 216,021.93-298,104.06-120,526.57

Finding the Fourth Proportional to 216,021.93, 298,104.06 and 120,526.57

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Solution

The fourth proportional to 216,021.93, 298,104.06 and 120,526.57 is: 166,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,021.93 : 298,104.06 = 120,526.57 : x
  2. Step 2: Convert to fraction form
    216,021.93/298,104.06 = 120,526.57/x
  3. Step 3: Cross multiply
    216,021.93x = 298,104.06 × 120,526.57
  4. Step 4: Simplify right side
    216,021.93x = 35,929,459,854.87
  5. Step 5: Solve for x
    x = 35,929,459,854.87/216,021.93
  6. Step 6: Final answer
    x = 166,323.21

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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.