Home / 141,312.24-195,015.24-77,652

Finding the Fourth Proportional to 141,312.24, 195,015.24 and 77,652

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Solution

The fourth proportional to 141,312.24, 195,015.24 and 77,652 is: 107,162.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,312.24 : 195,015.24 = 77,652 : x
  2. Step 2: Convert to fraction form
    141,312.24/195,015.24 = 77,652/x
  3. Step 3: Cross multiply
    141,312.24x = 195,015.24 × 77,652
  4. Step 4: Simplify right side
    141,312.24x = 15,143,323,416.48
  5. Step 5: Solve for x
    x = 15,143,323,416.48/141,312.24
  6. Step 6: Final answer
    x = 107,162.15

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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.