Home / 434,243.43-651,344.29-118,701.05

Finding the Fourth Proportional to 434,243.43, 651,344.29 and 118,701.05

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Solution

The fourth proportional to 434,243.43, 651,344.29 and 118,701.05 is: 178,045.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,243.43 : 651,344.29 = 118,701.05 : x
  2. Step 2: Convert to fraction form
    434,243.43/651,344.29 = 118,701.05/x
  3. Step 3: Cross multiply
    434,243.43x = 651,344.29 × 118,701.05
  4. Step 4: Simplify right side
    434,243.43x = 77,315,247,581.03
  5. Step 5: Solve for x
    x = 77,315,247,581.03/434,243.43
  6. Step 6: Final answer
    x = 178,045.87

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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.