Home / 132,963.48-183,473.13-81,306.54

Finding the Fourth Proportional to 132,963.48, 183,473.13 and 81,306.54

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Solution

The fourth proportional to 132,963.48, 183,473.13 and 81,306.54 is: 112,192.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,963.48 : 183,473.13 = 81,306.54 : x
  2. Step 2: Convert to fraction form
    132,963.48/183,473.13 = 81,306.54/x
  3. Step 3: Cross multiply
    132,963.48x = 183,473.13 × 81,306.54
  4. Step 4: Simplify right side
    132,963.48x = 14,917,565,383.27
  5. Step 5: Solve for x
    x = 14,917,565,383.27/132,963.48
  6. Step 6: Final answer
    x = 112,192.95

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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.