Home / 119,146.77-164,381.43-76,151.43

Finding the Fourth Proportional to 119,146.77, 164,381.43 and 76,151.43

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Solution

The fourth proportional to 119,146.77, 164,381.43 and 76,151.43 is: 105,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,146.77 : 164,381.43 = 76,151.43 : x
  2. Step 2: Convert to fraction form
    119,146.77/164,381.43 = 76,151.43/x
  3. Step 3: Cross multiply
    119,146.77x = 164,381.43 × 76,151.43
  4. Step 4: Simplify right side
    119,146.77x = 12,517,881,561.28
  5. Step 5: Solve for x
    x = 12,517,881,561.28/119,146.77
  6. Step 6: Final answer
    x = 105,062.70

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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.