Home / 216,036.36-298,135.98-120,542.76

Finding the Fourth Proportional to 216,036.36, 298,135.98 and 120,542.76

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Solution

The fourth proportional to 216,036.36, 298,135.98 and 120,542.76 is: 166,352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,036.36 : 298,135.98 = 120,542.76 : x
  2. Step 2: Convert to fraction form
    216,036.36/298,135.98 = 120,542.76/x
  3. Step 3: Cross multiply
    216,036.36x = 298,135.98 × 120,542.76
  4. Step 4: Simplify right side
    216,036.36x = 35,938,133,884.50
  5. Step 5: Solve for x
    x = 35,938,133,884.50/216,036.36
  6. Step 6: Final answer
    x = 166,352.25

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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.