Home / 216,192.64-298,346.10-120,699.33

Finding the Fourth Proportional to 216,192.64, 298,346.10 and 120,699.33

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Solution

The fourth proportional to 216,192.64, 298,346.10 and 120,699.33 is: 166,565.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,192.64 : 298,346.10 = 120,699.33 : x
  2. Step 2: Convert to fraction form
    216,192.64/298,346.10 = 120,699.33/x
  3. Step 3: Cross multiply
    216,192.64x = 298,346.10 × 120,699.33
  4. Step 4: Simplify right side
    216,192.64x = 36,010,175,283.95
  5. Step 5: Solve for x
    x = 36,010,175,283.95/216,192.64
  6. Step 6: Final answer
    x = 166,565.22

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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.