Home / 296,056.77-408,560.79-163,453.85

Finding the Fourth Proportional to 296,056.77, 408,560.79 and 163,453.85

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Solution

The fourth proportional to 296,056.77, 408,560.79 and 163,453.85 is: 225,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,056.77 : 408,560.79 = 163,453.85 : x
  2. Step 2: Convert to fraction form
    296,056.77/408,560.79 = 163,453.85/x
  3. Step 3: Cross multiply
    296,056.77x = 408,560.79 × 163,453.85
  4. Step 4: Simplify right side
    296,056.77x = 66,780,832,041.74
  5. Step 5: Solve for x
    x = 66,780,832,041.74/296,056.77
  6. Step 6: Final answer
    x = 225,567.66

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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.