Home / 432,583.20-648,923.40-133,061.40

Finding the Fourth Proportional to 432,583.20, 648,923.40 and 133,061.40

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Solution

The fourth proportional to 432,583.20, 648,923.40 and 133,061.40 is: 199,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,583.20 : 648,923.40 = 133,061.40 : x
  2. Step 2: Convert to fraction form
    432,583.20/648,923.40 = 133,061.40/x
  3. Step 3: Cross multiply
    432,583.20x = 648,923.40 × 133,061.40
  4. Step 4: Simplify right side
    432,583.20x = 86,346,656,096.76
  5. Step 5: Solve for x
    x = 86,346,656,096.76/432,583.20
  6. Step 6: Final answer
    x = 199,607.05

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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.