Home / 216,060.24-298,178.10-120,585.54

Finding the Fourth Proportional to 216,060.24, 298,178.10 and 120,585.54

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Solution

The fourth proportional to 216,060.24, 298,178.10 and 120,585.54 is: 166,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,060.24 : 298,178.10 = 120,585.54 : x
  2. Step 2: Convert to fraction form
    216,060.24/298,178.10 = 120,585.54/x
  3. Step 3: Cross multiply
    216,060.24x = 298,178.10 × 120,585.54
  4. Step 4: Simplify right side
    216,060.24x = 35,955,967,204.67
  5. Step 5: Solve for x
    x = 35,955,967,204.67/216,060.24
  6. Step 6: Final answer
    x = 166,416.40

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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.