Home / 141,927.66-195,864.70-81,510.58

Finding the Fourth Proportional to 141,927.66, 195,864.70 and 81,510.58

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Solution

The fourth proportional to 141,927.66, 195,864.70 and 81,510.58 is: 112,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,927.66 : 195,864.70 = 81,510.58 : x
  2. Step 2: Convert to fraction form
    141,927.66/195,864.70 = 81,510.58/x
  3. Step 3: Cross multiply
    141,927.66x = 195,864.70 × 81,510.58
  4. Step 4: Simplify right side
    141,927.66x = 15,965,045,298.53
  5. Step 5: Solve for x
    x = 15,965,045,298.53/141,927.66
  6. Step 6: Final answer
    x = 112,487.20

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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.