Home / 434,403.12-651,444.84-150,021.30

Finding the Fourth Proportional to 434,403.12, 651,444.84 and 150,021.30

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Solution

The fourth proportional to 434,403.12, 651,444.84 and 150,021.30 is: 224,976.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,403.12 : 651,444.84 = 150,021.30 : x
  2. Step 2: Convert to fraction form
    434,403.12/651,444.84 = 150,021.30/x
  3. Step 3: Cross multiply
    434,403.12x = 651,444.84 × 150,021.30
  4. Step 4: Simplify right side
    434,403.12x = 97,730,601,775.09
  5. Step 5: Solve for x
    x = 97,730,601,775.09/434,403.12
  6. Step 6: Final answer
    x = 224,976.75

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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.