Home / 132,884.48-183,376.58-72,456.29

Finding the Fourth Proportional to 132,884.48, 183,376.58 and 72,456.29

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Solution

The fourth proportional to 132,884.48, 183,376.58 and 72,456.29 is: 99,987.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,884.48 : 183,376.58 = 72,456.29 : x
  2. Step 2: Convert to fraction form
    132,884.48/183,376.58 = 72,456.29/x
  3. Step 3: Cross multiply
    132,884.48x = 183,376.58 × 72,456.29
  4. Step 4: Simplify right side
    132,884.48x = 13,286,786,068.19
  5. Step 5: Solve for x
    x = 13,286,786,068.19/132,884.48
  6. Step 6: Final answer
    x = 99,987.49

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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.