Home / 176,240.64-243,131.52-122,653.44

Finding the Fourth Proportional to 176,240.64, 243,131.52 and 122,653.44

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Solution

The fourth proportional to 176,240.64, 243,131.52 and 122,653.44 is: 169,205.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,240.64 : 243,131.52 = 122,653.44 : x
  2. Step 2: Convert to fraction form
    176,240.64/243,131.52 = 122,653.44/x
  3. Step 3: Cross multiply
    176,240.64x = 243,131.52 × 122,653.44
  4. Step 4: Simplify right side
    176,240.64x = 29,820,917,300.43
  5. Step 5: Solve for x
    x = 29,820,917,300.43/176,240.64
  6. Step 6: Final answer
    x = 169,205.68

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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.