Home / 432,988.56-649,563.48-152,683.92

Finding the Fourth Proportional to 432,988.56, 649,563.48 and 152,683.92

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Solution

The fourth proportional to 432,988.56, 649,563.48 and 152,683.92 is: 229,054.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,988.56 : 649,563.48 = 152,683.92 : x
  2. Step 2: Convert to fraction form
    432,988.56/649,563.48 = 152,683.92/x
  3. Step 3: Cross multiply
    432,988.56x = 649,563.48 × 152,683.92
  4. Step 4: Simplify right side
    432,988.56x = 99,177,898,415.24
  5. Step 5: Solve for x
    x = 99,177,898,415.24/432,988.56
  6. Step 6: Final answer
    x = 229,054.32

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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.