Home / 132,322.75-182,605.40-72,706.75

Finding the Fourth Proportional to 132,322.75, 182,605.40 and 72,706.75

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Solution

The fourth proportional to 132,322.75, 182,605.40 and 72,706.75 is: 100,335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,322.75 : 182,605.40 = 72,706.75 : x
  2. Step 2: Convert to fraction form
    132,322.75/182,605.40 = 72,706.75/x
  3. Step 3: Cross multiply
    132,322.75x = 182,605.40 × 72,706.75
  4. Step 4: Simplify right side
    132,322.75x = 13,276,645,166.45
  5. Step 5: Solve for x
    x = 13,276,645,166.45/132,322.75
  6. Step 6: Final answer
    x = 100,335.32

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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.