Home / 331,666.17-457,711.55-188,450.47

Finding the Fourth Proportional to 331,666.17, 457,711.55 and 188,450.47

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Solution

The fourth proportional to 331,666.17, 457,711.55 and 188,450.47 is: 260,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,666.17 : 457,711.55 = 188,450.47 : x
  2. Step 2: Convert to fraction form
    331,666.17/457,711.55 = 188,450.47/x
  3. Step 3: Cross multiply
    331,666.17x = 457,711.55 × 188,450.47
  4. Step 4: Simplify right side
    331,666.17x = 86,255,956,721.93
  5. Step 5: Solve for x
    x = 86,255,956,721.93/331,666.17
  6. Step 6: Final answer
    x = 260,068.60

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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.