Home / 190,207.04-285,358-57,089.76

Finding the Fourth Proportional to 190,207.04, 285,358 and 57,089.76

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Solution

The fourth proportional to 190,207.04, 285,358 and 57,089.76 is: 85,648.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,207.04 : 285,358 = 57,089.76 : x
  2. Step 2: Convert to fraction form
    190,207.04/285,358 = 57,089.76/x
  3. Step 3: Cross multiply
    190,207.04x = 285,358 × 57,089.76
  4. Step 4: Simplify right side
    190,207.04x = 16,291,019,734.08
  5. Step 5: Solve for x
    x = 16,291,019,734.08/190,207.04
  6. Step 6: Final answer
    x = 85,648.88

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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.