Home / 114,916.82-158,473.77-76,677.92

Finding the Fourth Proportional to 114,916.82, 158,473.77 and 76,677.92

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Solution

The fourth proportional to 114,916.82, 158,473.77 and 76,677.92 is: 105,741.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,916.82 : 158,473.77 = 76,677.92 : x
  2. Step 2: Convert to fraction form
    114,916.82/158,473.77 = 76,677.92/x
  3. Step 3: Cross multiply
    114,916.82x = 158,473.77 × 76,677.92
  4. Step 4: Simplify right side
    114,916.82x = 12,151,439,058.16
  5. Step 5: Solve for x
    x = 12,151,439,058.16/114,916.82
  6. Step 6: Final answer
    x = 105,741.17

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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.