Home / 216,416.02-298,653.47-120,922.79

Finding the Fourth Proportional to 216,416.02, 298,653.47 and 120,922.79

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Solution

The fourth proportional to 216,416.02, 298,653.47 and 120,922.79 is: 166,873.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,416.02 : 298,653.47 = 120,922.79 : x
  2. Step 2: Convert to fraction form
    216,416.02/298,653.47 = 120,922.79/x
  3. Step 3: Cross multiply
    216,416.02x = 298,653.47 × 120,922.79
  4. Step 4: Simplify right side
    216,416.02x = 36,114,009,342.31
  5. Step 5: Solve for x
    x = 36,114,009,342.31/216,416.02
  6. Step 6: Final answer
    x = 166,873.09

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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.