Home / 268,433.12-402,628.73-156,041.64

Finding the Fourth Proportional to 268,433.12, 402,628.73 and 156,041.64

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Solution

The fourth proportional to 268,433.12, 402,628.73 and 156,041.64 is: 234,050.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,433.12 : 402,628.73 = 156,041.64 : x
  2. Step 2: Convert to fraction form
    268,433.12/402,628.73 = 156,041.64/x
  3. Step 3: Cross multiply
    268,433.12x = 402,628.73 × 156,041.64
  4. Step 4: Simplify right side
    268,433.12x = 62,826,846,560.11
  5. Step 5: Solve for x
    x = 62,826,846,560.11/268,433.12
  6. Step 6: Final answer
    x = 234,050.28

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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.