Home / 132,588.84-182,969.07-72,158.19

Finding the Fourth Proportional to 132,588.84, 182,969.07 and 72,158.19

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Solution

The fourth proportional to 132,588.84, 182,969.07 and 72,158.19 is: 99,576.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,588.84 : 182,969.07 = 72,158.19 : x
  2. Step 2: Convert to fraction form
    132,588.84/182,969.07 = 72,158.19/x
  3. Step 3: Cross multiply
    132,588.84x = 182,969.07 × 72,158.19
  4. Step 4: Simplify right side
    132,588.84x = 13,202,716,917.18
  5. Step 5: Solve for x
    x = 13,202,716,917.18/132,588.84
  6. Step 6: Final answer
    x = 99,576.38

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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.