Home / 377,864.19-521,450.29-208,097.10

Finding the Fourth Proportional to 377,864.19, 521,450.29 and 208,097.10

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Solution

The fourth proportional to 377,864.19, 521,450.29 and 208,097.10 is: 287,172.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,864.19 : 521,450.29 = 208,097.10 : x
  2. Step 2: Convert to fraction form
    377,864.19/521,450.29 = 208,097.10/x
  3. Step 3: Cross multiply
    377,864.19x = 521,450.29 × 208,097.10
  4. Step 4: Simplify right side
    377,864.19x = 108,512,290,535.91
  5. Step 5: Solve for x
    x = 108,512,290,535.91/377,864.19
  6. Step 6: Final answer
    x = 287,172.73

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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.