Home / 141,813.16-195,699.60-77,282.95

Finding the Fourth Proportional to 141,813.16, 195,699.60 and 77,282.95

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Solution

The fourth proportional to 141,813.16, 195,699.60 and 77,282.95 is: 106,649.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,813.16 : 195,699.60 = 77,282.95 : x
  2. Step 2: Convert to fraction form
    141,813.16/195,699.60 = 77,282.95/x
  3. Step 3: Cross multiply
    141,813.16x = 195,699.60 × 77,282.95
  4. Step 4: Simplify right side
    141,813.16x = 15,124,242,401.82
  5. Step 5: Solve for x
    x = 15,124,242,401.82/141,813.16
  6. Step 6: Final answer
    x = 106,649.08

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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.