Home / 212,649.99-293,457.69-117,156.45

Finding the Fourth Proportional to 212,649.99, 293,457.69 and 117,156.45

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Solution

The fourth proportional to 212,649.99, 293,457.69 and 117,156.45 is: 161,676.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,649.99 : 293,457.69 = 117,156.45 : x
  2. Step 2: Convert to fraction form
    212,649.99/293,457.69 = 117,156.45/x
  3. Step 3: Cross multiply
    212,649.99x = 293,457.69 × 117,156.45
  4. Step 4: Simplify right side
    212,649.99x = 34,380,461,185.60
  5. Step 5: Solve for x
    x = 34,380,461,185.60/212,649.99
  6. Step 6: Final answer
    x = 161,676.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.