Home / 216,409.03-326,090.69-177,830.35

Finding the Fourth Proportional to 216,409.03, 326,090.69 and 177,830.35

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Solution

The fourth proportional to 216,409.03, 326,090.69 and 177,830.35 is: 267,959.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,409.03 : 326,090.69 = 177,830.35 : x
  2. Step 2: Convert to fraction form
    216,409.03/326,090.69 = 177,830.35/x
  3. Step 3: Cross multiply
    216,409.03x = 326,090.69 × 177,830.35
  4. Step 4: Simplify right side
    216,409.03x = 57,988,821,163.79
  5. Step 5: Solve for x
    x = 57,988,821,163.79/216,409.03
  6. Step 6: Final answer
    x = 267,959.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.