Home / 216,534.80-298,824.63-121,045.52

Finding the Fourth Proportional to 216,534.80, 298,824.63 and 121,045.52

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Solution

The fourth proportional to 216,534.80, 298,824.63 and 121,045.52 is: 167,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,534.80 : 298,824.63 = 121,045.52 : x
  2. Step 2: Convert to fraction form
    216,534.80/298,824.63 = 121,045.52/x
  3. Step 3: Cross multiply
    216,534.80x = 298,824.63 × 121,045.52
  4. Step 4: Simplify right side
    216,534.80x = 36,171,381,233.03
  5. Step 5: Solve for x
    x = 36,171,381,233.03/216,534.80
  6. Step 6: Final answer
    x = 167,046.51

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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.