Home / 216,534.64-298,824.42-121,045.36

Finding the Fourth Proportional to 216,534.64, 298,824.42 and 121,045.36

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Solution

The fourth proportional to 216,534.64, 298,824.42 and 121,045.36 is: 167,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,534.64 : 298,824.42 = 121,045.36 : x
  2. Step 2: Convert to fraction form
    216,534.64/298,824.42 = 121,045.36/x
  3. Step 3: Cross multiply
    216,534.64x = 298,824.42 × 121,045.36
  4. Step 4: Simplify right side
    216,534.64x = 36,171,309,495.69
  5. Step 5: Solve for x
    x = 36,171,309,495.69/216,534.64
  6. Step 6: Final answer
    x = 167,046.30

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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.