Home / 132,635.63-182,983.01-81,632.94

Finding the Fourth Proportional to 132,635.63, 182,983.01 and 81,632.94

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Solution

The fourth proportional to 132,635.63, 182,983.01 and 81,632.94 is: 112,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,635.63 : 182,983.01 = 81,632.94 : x
  2. Step 2: Convert to fraction form
    132,635.63/182,983.01 = 81,632.94/x
  3. Step 3: Cross multiply
    132,635.63x = 182,983.01 × 81,632.94
  4. Step 4: Simplify right side
    132,635.63x = 14,937,440,668.18
  5. Step 5: Solve for x
    x = 14,937,440,668.18/132,635.63
  6. Step 6: Final answer
    x = 112,620.13

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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.