Home / 132,283.32-182,481-83,799.72

Finding the Fourth Proportional to 132,283.32, 182,481 and 83,799.72

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Solution

The fourth proportional to 132,283.32, 182,481 and 83,799.72 is: 115,599.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,283.32 : 182,481 = 83,799.72 : x
  2. Step 2: Convert to fraction form
    132,283.32/182,481 = 83,799.72/x
  3. Step 3: Cross multiply
    132,283.32x = 182,481 × 83,799.72
  4. Step 4: Simplify right side
    132,283.32x = 15,291,856,705.32
  5. Step 5: Solve for x
    x = 15,291,856,705.32/132,283.32
  6. Step 6: Final answer
    x = 115,599.28

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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.