Home / 157,649.20-236,495.40-52,457.20

Finding the Fourth Proportional to 157,649.20, 236,495.40 and 52,457.20

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Solution

The fourth proportional to 157,649.20, 236,495.40 and 52,457.20 is: 78,692.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,649.20 : 236,495.40 = 52,457.20 : x
  2. Step 2: Convert to fraction form
    157,649.20/236,495.40 = 52,457.20/x
  3. Step 3: Cross multiply
    157,649.20x = 236,495.40 × 52,457.20
  4. Step 4: Simplify right side
    157,649.20x = 12,405,886,496.88
  5. Step 5: Solve for x
    x = 12,405,886,496.88/157,649.20
  6. Step 6: Final answer
    x = 78,692.99

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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.