Home / 190,129.26-286,528.48-171,172.83

Finding the Fourth Proportional to 190,129.26, 286,528.48 and 171,172.83

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Solution

The fourth proportional to 190,129.26, 286,528.48 and 171,172.83 is: 257,960.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,129.26 : 286,528.48 = 171,172.83 : x
  2. Step 2: Convert to fraction form
    190,129.26/286,528.48 = 171,172.83/x
  3. Step 3: Cross multiply
    190,129.26x = 286,528.48 × 171,172.83
  4. Step 4: Simplify right side
    190,129.26x = 49,045,889,941.33
  5. Step 5: Solve for x
    x = 49,045,889,941.33/190,129.26
  6. Step 6: Final answer
    x = 257,960.77

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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.