Home / 216,032.20-324,437.10-156,934.60

Finding the Fourth Proportional to 216,032.20, 324,437.10 and 156,934.60

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Solution

The fourth proportional to 216,032.20, 324,437.10 and 156,934.60 is: 235,684.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,032.20 : 324,437.10 = 156,934.60 : x
  2. Step 2: Convert to fraction form
    216,032.20/324,437.10 = 156,934.60/x
  3. Step 3: Cross multiply
    216,032.20x = 324,437.10 × 156,934.60
  4. Step 4: Simplify right side
    216,032.20x = 50,915,406,513.66
  5. Step 5: Solve for x
    x = 50,915,406,513.66/216,032.20
  6. Step 6: Final answer
    x = 235,684.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.