Home / 216,525.33-298,799.69-121,043.25

Finding the Fourth Proportional to 216,525.33, 298,799.69 and 121,043.25

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Solution

The fourth proportional to 216,525.33, 298,799.69 and 121,043.25 is: 167,036.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,525.33 : 298,799.69 = 121,043.25 : x
  2. Step 2: Convert to fraction form
    216,525.33/298,799.69 = 121,043.25/x
  3. Step 3: Cross multiply
    216,525.33x = 298,799.69 × 121,043.25
  4. Step 4: Simplify right side
    216,525.33x = 36,167,684,971.38
  5. Step 5: Solve for x
    x = 36,167,684,971.38/216,525.33
  6. Step 6: Final answer
    x = 167,036.74

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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.