Home / 356,427.83-534,637.14-86,558.19

Finding the Fourth Proportional to 356,427.83, 534,637.14 and 86,558.19

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Solution

The fourth proportional to 356,427.83, 534,637.14 and 86,558.19 is: 129,836.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,427.83 : 534,637.14 = 86,558.19 : x
  2. Step 2: Convert to fraction form
    356,427.83/534,637.14 = 86,558.19/x
  3. Step 3: Cross multiply
    356,427.83x = 534,637.14 × 86,558.19
  4. Step 4: Simplify right side
    356,427.83x = 46,277,220,815.69
  5. Step 5: Solve for x
    x = 46,277,220,815.69/356,427.83
  6. Step 6: Final answer
    x = 129,836.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.