Home / 243,649.05-336,266.58-136,225.44

Finding the Fourth Proportional to 243,649.05, 336,266.58 and 136,225.44

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Solution

The fourth proportional to 243,649.05, 336,266.58 and 136,225.44 is: 188,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,649.05 : 336,266.58 = 136,225.44 : x
  2. Step 2: Convert to fraction form
    243,649.05/336,266.58 = 136,225.44/x
  3. Step 3: Cross multiply
    243,649.05x = 336,266.58 × 136,225.44
  4. Step 4: Simplify right side
    243,649.05x = 45,808,062,817.80
  5. Step 5: Solve for x
    x = 45,808,062,817.80/243,649.05
  6. Step 6: Final answer
    x = 188,008.38

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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.