Home / 283,076.01-390,222.21-187,416.63

Finding the Fourth Proportional to 283,076.01, 390,222.21 and 187,416.63

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Solution

The fourth proportional to 283,076.01, 390,222.21 and 187,416.63 is: 258,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,076.01 : 390,222.21 = 187,416.63 : x
  2. Step 2: Convert to fraction form
    283,076.01/390,222.21 = 187,416.63/x
  3. Step 3: Cross multiply
    283,076.01x = 390,222.21 × 187,416.63
  4. Step 4: Simplify right side
    283,076.01x = 73,134,131,549.35
  5. Step 5: Solve for x
    x = 73,134,131,549.35/283,076.01
  6. Step 6: Final answer
    x = 258,355.10

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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.