Home / 157,685.13-236,558.81-57,846.15

Finding the Fourth Proportional to 157,685.13, 236,558.81 and 57,846.15

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Solution

The fourth proportional to 157,685.13, 236,558.81 and 57,846.15 is: 86,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,685.13 : 236,558.81 = 57,846.15 : x
  2. Step 2: Convert to fraction form
    157,685.13/236,558.81 = 57,846.15/x
  3. Step 3: Cross multiply
    157,685.13x = 236,558.81 × 57,846.15
  4. Step 4: Simplify right side
    157,685.13x = 13,684,016,551.70
  5. Step 5: Solve for x
    x = 13,684,016,551.70/157,685.13
  6. Step 6: Final answer
    x = 86,780.64

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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.