Home / 132,597.49-182,989.03-72,170.33

Finding the Fourth Proportional to 132,597.49, 182,989.03 and 72,170.33

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Solution

The fourth proportional to 132,597.49, 182,989.03 and 72,170.33 is: 99,597.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,597.49 : 182,989.03 = 72,170.33 : x
  2. Step 2: Convert to fraction form
    132,597.49/182,989.03 = 72,170.33/x
  3. Step 3: Cross multiply
    132,597.49x = 182,989.03 × 72,170.33
  4. Step 4: Simplify right side
    132,597.49x = 13,206,378,681.48
  5. Step 5: Solve for x
    x = 13,206,378,681.48/132,597.49
  6. Step 6: Final answer
    x = 99,597.50

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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.