Home / 190,130.26-286,529.98-171,173.83

Finding the Fourth Proportional to 190,130.26, 286,529.98 and 171,173.83

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Solution

The fourth proportional to 190,130.26, 286,529.98 and 171,173.83 is: 257,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,130.26 : 286,529.98 = 171,173.83 : x
  2. Step 2: Convert to fraction form
    190,130.26/286,529.98 = 171,173.83/x
  3. Step 3: Cross multiply
    190,130.26x = 286,529.98 × 171,173.83
  4. Step 4: Simplify right side
    190,130.26x = 49,046,434,086.42
  5. Step 5: Solve for x
    x = 49,046,434,086.42/190,130.26
  6. Step 6: Final answer
    x = 257,962.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.