Home / 432,586.20-648,927.90-133,064.40

Finding the Fourth Proportional to 432,586.20, 648,927.90 and 133,064.40

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Solution

The fourth proportional to 432,586.20, 648,927.90 and 133,064.40 is: 199,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,586.20 : 648,927.90 = 133,064.40 : x
  2. Step 2: Convert to fraction form
    432,586.20/648,927.90 = 133,064.40/x
  3. Step 3: Cross multiply
    432,586.20x = 648,927.90 × 133,064.40
  4. Step 4: Simplify right side
    432,586.20x = 86,349,201,656.76
  5. Step 5: Solve for x
    x = 86,349,201,656.76/432,586.20
  6. Step 6: Final answer
    x = 199,611.55

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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.