Home / 157,515.69-236,231.14-57,676.40

Finding the Fourth Proportional to 157,515.69, 236,231.14 and 57,676.40

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Solution

The fourth proportional to 157,515.69, 236,231.14 and 57,676.40 is: 86,499.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,515.69 : 236,231.14 = 57,676.40 : x
  2. Step 2: Convert to fraction form
    157,515.69/236,231.14 = 57,676.40/x
  3. Step 3: Cross multiply
    157,515.69x = 236,231.14 × 57,676.40
  4. Step 4: Simplify right side
    157,515.69x = 13,624,961,723.10
  5. Step 5: Solve for x
    x = 13,624,961,723.10/157,515.69
  6. Step 6: Final answer
    x = 86,499.08

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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.