Home / 132,637.14-182,985.06-81,634.44

Finding the Fourth Proportional to 132,637.14, 182,985.06 and 81,634.44

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Solution

The fourth proportional to 132,637.14, 182,985.06 and 81,634.44 is: 112,622.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,637.14 : 182,985.06 = 81,634.44 : x
  2. Step 2: Convert to fraction form
    132,637.14/182,985.06 = 81,634.44/x
  3. Step 3: Cross multiply
    132,637.14x = 182,985.06 × 81,634.44
  4. Step 4: Simplify right side
    132,637.14x = 14,937,882,901.47
  5. Step 5: Solve for x
    x = 14,937,882,901.47/132,637.14
  6. Step 6: Final answer
    x = 112,622.17

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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.