Home / 331,655.19-457,685.67-188,423.10

Finding the Fourth Proportional to 331,655.19, 457,685.67 and 188,423.10

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Solution

The fourth proportional to 331,655.19, 457,685.67 and 188,423.10 is: 260,024.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,655.19 : 457,685.67 = 188,423.10 : x
  2. Step 2: Convert to fraction form
    331,655.19/457,685.67 = 188,423.10/x
  3. Step 3: Cross multiply
    331,655.19x = 457,685.67 × 188,423.10
  4. Step 4: Simplify right side
    331,655.19x = 86,238,552,766.98
  5. Step 5: Solve for x
    x = 86,238,552,766.98/331,655.19
  6. Step 6: Final answer
    x = 260,024.73

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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.