Home / 432,242.10-648,312.12-116,723.61

Finding the Fourth Proportional to 432,242.10, 648,312.12 and 116,723.61

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Solution

The fourth proportional to 432,242.10, 648,312.12 and 116,723.61 is: 175,071.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,242.10 : 648,312.12 = 116,723.61 : x
  2. Step 2: Convert to fraction form
    432,242.10/648,312.12 = 116,723.61/x
  3. Step 3: Cross multiply
    432,242.10x = 648,312.12 × 116,723.61
  4. Step 4: Simplify right side
    432,242.10x = 75,673,331,053.15
  5. Step 5: Solve for x
    x = 75,673,331,053.15/432,242.10
  6. Step 6: Final answer
    x = 175,071.63

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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.