Home / 434,298.30-651,534.52-149,999.28

Finding the Fourth Proportional to 434,298.30, 651,534.52 and 149,999.28

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Solution

The fourth proportional to 434,298.30, 651,534.52 and 149,999.28 is: 225,028.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,298.30 : 651,534.52 = 149,999.28 : x
  2. Step 2: Convert to fraction form
    434,298.30/651,534.52 = 149,999.28/x
  3. Step 3: Cross multiply
    434,298.30x = 651,534.52 × 149,999.28
  4. Step 4: Simplify right side
    434,298.30x = 97,729,708,895.15
  5. Step 5: Solve for x
    x = 97,729,708,895.15/434,298.30
  6. Step 6: Final answer
    x = 225,028.99

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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.