Home / 216,418.02-298,656.23-120,924.79

Finding the Fourth Proportional to 216,418.02, 298,656.23 and 120,924.79

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Solution

The fourth proportional to 216,418.02, 298,656.23 and 120,924.79 is: 166,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,418.02 : 298,656.23 = 120,924.79 : x
  2. Step 2: Convert to fraction form
    216,418.02/298,656.23 = 120,924.79/x
  3. Step 3: Cross multiply
    216,418.02x = 298,656.23 × 120,924.79
  4. Step 4: Simplify right side
    216,418.02x = 36,114,941,894.94
  5. Step 5: Solve for x
    x = 36,114,941,894.94/216,418.02
  6. Step 6: Final answer
    x = 166,875.85

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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.