Home / 141,096.66-194,718.09-77,437.92

Finding the Fourth Proportional to 141,096.66, 194,718.09 and 77,437.92

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Solution

The fourth proportional to 141,096.66, 194,718.09 and 77,437.92 is: 106,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,096.66 : 194,718.09 = 77,437.92 : x
  2. Step 2: Convert to fraction form
    141,096.66/194,718.09 = 77,437.92/x
  3. Step 3: Cross multiply
    141,096.66x = 194,718.09 × 77,437.92
  4. Step 4: Simplify right side
    141,096.66x = 15,078,563,875.97
  5. Step 5: Solve for x
    x = 15,078,563,875.97/141,096.66
  6. Step 6: Final answer
    x = 106,866.91

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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.