Home / 171,114.24-236,146.64-103,152.80

Finding the Fourth Proportional to 171,114.24, 236,146.64 and 103,152.80

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Solution

The fourth proportional to 171,114.24, 236,146.64 and 103,152.80 is: 142,356.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,114.24 : 236,146.64 = 103,152.80 : x
  2. Step 2: Convert to fraction form
    171,114.24/236,146.64 = 103,152.80/x
  3. Step 3: Cross multiply
    171,114.24x = 236,146.64 × 103,152.80
  4. Step 4: Simplify right side
    171,114.24x = 24,359,187,126.59
  5. Step 5: Solve for x
    x = 24,359,187,126.59/171,114.24
  6. Step 6: Final answer
    x = 142,356.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.