Home / 132,486.84-182,829.15-72,056.25

Finding the Fourth Proportional to 132,486.84, 182,829.15 and 72,056.25

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Solution

The fourth proportional to 132,486.84, 182,829.15 and 72,056.25 is: 99,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,486.84 : 182,829.15 = 72,056.25 : x
  2. Step 2: Convert to fraction form
    132,486.84/182,829.15 = 72,056.25/x
  3. Step 3: Cross multiply
    132,486.84x = 182,829.15 × 72,056.25
  4. Step 4: Simplify right side
    132,486.84x = 13,173,982,939.69
  5. Step 5: Solve for x
    x = 13,173,982,939.69/132,486.84
  6. Step 6: Final answer
    x = 99,436.16

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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.