Home / 190,337.10-285,482.85-50,106.78

Finding the Fourth Proportional to 190,337.10, 285,482.85 and 50,106.78

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Solution

The fourth proportional to 190,337.10, 285,482.85 and 50,106.78 is: 75,154.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,337.10 : 285,482.85 = 50,106.78 : x
  2. Step 2: Convert to fraction form
    190,337.10/285,482.85 = 50,106.78/x
  3. Step 3: Cross multiply
    190,337.10x = 285,482.85 × 50,106.78
  4. Step 4: Simplify right side
    190,337.10x = 14,304,626,358.72
  5. Step 5: Solve for x
    x = 14,304,626,358.72/190,337.10
  6. Step 6: Final answer
    x = 75,154.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.