Home / 190,836.10-286,254.15-171,809.20

Finding the Fourth Proportional to 190,836.10, 286,254.15 and 171,809.20

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Solution

The fourth proportional to 190,836.10, 286,254.15 and 171,809.20 is: 257,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,836.10 : 286,254.15 = 171,809.20 : x
  2. Step 2: Convert to fraction form
    190,836.10/286,254.15 = 171,809.20/x
  3. Step 3: Cross multiply
    190,836.10x = 286,254.15 × 171,809.20
  4. Step 4: Simplify right side
    190,836.10x = 49,181,096,508.18
  5. Step 5: Solve for x
    x = 49,181,096,508.18/190,836.10
  6. Step 6: Final answer
    x = 257,713.80

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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.