Home / 132,918.54-183,417.39-76,348.14

Finding the Fourth Proportional to 132,918.54, 183,417.39 and 76,348.14

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Solution

The fourth proportional to 132,918.54, 183,417.39 and 76,348.14 is: 105,354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,918.54 : 183,417.39 = 76,348.14 : x
  2. Step 2: Convert to fraction form
    132,918.54/183,417.39 = 76,348.14/x
  3. Step 3: Cross multiply
    132,918.54x = 183,417.39 × 76,348.14
  4. Step 4: Simplify right side
    132,918.54x = 14,003,576,570.15
  5. Step 5: Solve for x
    x = 14,003,576,570.15/132,918.54
  6. Step 6: Final answer
    x = 105,354.58

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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.