Home / 141,073.56-194,681.40-77,415.36

Finding the Fourth Proportional to 141,073.56, 194,681.40 and 77,415.36

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Solution

The fourth proportional to 141,073.56, 194,681.40 and 77,415.36 is: 106,833.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,073.56 : 194,681.40 = 77,415.36 : x
  2. Step 2: Convert to fraction form
    141,073.56/194,681.40 = 77,415.36/x
  3. Step 3: Cross multiply
    141,073.56x = 194,681.40 × 77,415.36
  4. Step 4: Simplify right side
    141,073.56x = 15,071,330,666.30
  5. Step 5: Solve for x
    x = 15,071,330,666.30/141,073.56
  6. Step 6: Final answer
    x = 106,833.13

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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.