Home / 190,872.10-286,308.15-171,845.20

Finding the Fourth Proportional to 190,872.10, 286,308.15 and 171,845.20

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Solution

The fourth proportional to 190,872.10, 286,308.15 and 171,845.20 is: 257,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,872.10 : 286,308.15 = 171,845.20 : x
  2. Step 2: Convert to fraction form
    190,872.10/286,308.15 = 171,845.20/x
  3. Step 3: Cross multiply
    190,872.10x = 286,308.15 × 171,845.20
  4. Step 4: Simplify right side
    190,872.10x = 49,200,681,298.38
  5. Step 5: Solve for x
    x = 49,200,681,298.38/190,872.10
  6. Step 6: Final answer
    x = 257,767.80

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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.