Home / 216,264.06-298,441.26-120,772.08

Finding the Fourth Proportional to 216,264.06, 298,441.26 and 120,772.08

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Solution

The fourth proportional to 216,264.06, 298,441.26 and 120,772.08 is: 166,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,264.06 : 298,441.26 = 120,772.08 : x
  2. Step 2: Convert to fraction form
    216,264.06/298,441.26 = 120,772.08/x
  3. Step 3: Cross multiply
    216,264.06x = 298,441.26 × 120,772.08
  4. Step 4: Simplify right side
    216,264.06x = 36,043,371,728.02
  5. Step 5: Solve for x
    x = 36,043,371,728.02/216,264.06
  6. Step 6: Final answer
    x = 166,663.72

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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.