Home / 432,837.14-649,255.88-112,988.12

Finding the Fourth Proportional to 432,837.14, 649,255.88 and 112,988.12

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Solution

The fourth proportional to 432,837.14, 649,255.88 and 112,988.12 is: 169,482.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,837.14 : 649,255.88 = 112,988.12 : x
  2. Step 2: Convert to fraction form
    432,837.14/649,255.88 = 112,988.12/x
  3. Step 3: Cross multiply
    432,837.14x = 649,255.88 × 112,988.12
  4. Step 4: Simplify right side
    432,837.14x = 73,358,197,998.56
  5. Step 5: Solve for x
    x = 73,358,197,998.56/432,837.14
  6. Step 6: Final answer
    x = 169,482.22

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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.