Home / 216,536.30-298,826.70-121,047.02

Finding the Fourth Proportional to 216,536.30, 298,826.70 and 121,047.02

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Solution

The fourth proportional to 216,536.30, 298,826.70 and 121,047.02 is: 167,048.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,536.30 : 298,826.70 = 121,047.02 : x
  2. Step 2: Convert to fraction form
    216,536.30/298,826.70 = 121,047.02/x
  3. Step 3: Cross multiply
    216,536.30x = 298,826.70 × 121,047.02
  4. Step 4: Simplify right side
    216,536.30x = 36,172,080,037.30
  5. Step 5: Solve for x
    x = 36,172,080,037.30/216,536.30
  6. Step 6: Final answer
    x = 167,048.58

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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.