Home / 190,844.10-286,266.15-171,817.20

Finding the Fourth Proportional to 190,844.10, 286,266.15 and 171,817.20

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Solution

The fourth proportional to 190,844.10, 286,266.15 and 171,817.20 is: 257,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,844.10 : 286,266.15 = 171,817.20 : x
  2. Step 2: Convert to fraction form
    190,844.10/286,266.15 = 171,817.20/x
  3. Step 3: Cross multiply
    190,844.10x = 286,266.15 × 171,817.20
  4. Step 4: Simplify right side
    190,844.10x = 49,185,448,347.78
  5. Step 5: Solve for x
    x = 49,185,448,347.78/190,844.10
  6. Step 6: Final answer
    x = 257,725.80

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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.