Home / 409,427.21-614,331.03-156,624.14

Finding the Fourth Proportional to 409,427.21, 614,331.03 and 156,624.14

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Solution

The fourth proportional to 409,427.21, 614,331.03 and 156,624.14 is: 235,008.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,427.21 : 614,331.03 = 156,624.14 : x
  2. Step 2: Convert to fraction form
    409,427.21/614,331.03 = 156,624.14/x
  3. Step 3: Cross multiply
    409,427.21x = 614,331.03 × 156,624.14
  4. Step 4: Simplify right side
    409,427.21x = 96,219,069,249.06
  5. Step 5: Solve for x
    x = 96,219,069,249.06/409,427.21
  6. Step 6: Final answer
    x = 235,008.98

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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.