Home / 279,008.10-417,637.35-200,276.10

Finding the Fourth Proportional to 279,008.10, 417,637.35 and 200,276.10

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Solution

The fourth proportional to 279,008.10, 417,637.35 and 200,276.10 is: 299,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,008.10 : 417,637.35 = 200,276.10 : x
  2. Step 2: Convert to fraction form
    279,008.10/417,637.35 = 200,276.10/x
  3. Step 3: Cross multiply
    279,008.10x = 417,637.35 × 200,276.10
  4. Step 4: Simplify right side
    279,008.10x = 83,642,779,672.34
  5. Step 5: Solve for x
    x = 83,642,779,672.34/279,008.10
  6. Step 6: Final answer
    x = 299,786.21

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1.5x scale

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.