Home / 286,560.45-395,457.52-157,510.85

Finding the Fourth Proportional to 286,560.45, 395,457.52 and 157,510.85

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Solution

The fourth proportional to 286,560.45, 395,457.52 and 157,510.85 is: 217,367.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,560.45 : 395,457.52 = 157,510.85 : x
  2. Step 2: Convert to fraction form
    286,560.45/395,457.52 = 157,510.85/x
  3. Step 3: Cross multiply
    286,560.45x = 395,457.52 × 157,510.85
  4. Step 4: Simplify right side
    286,560.45x = 62,288,850,932.03
  5. Step 5: Solve for x
    x = 62,288,850,932.03/286,560.45
  6. Step 6: Final answer
    x = 217,367.23

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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.