Home / 141,020.76-194,607.48-77,357.40

Finding the Fourth Proportional to 141,020.76, 194,607.48 and 77,357.40

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Solution

The fourth proportional to 141,020.76, 194,607.48 and 77,357.40 is: 106,752.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,020.76 : 194,607.48 = 77,357.40 : x
  2. Step 2: Convert to fraction form
    141,020.76/194,607.48 = 77,357.40/x
  3. Step 3: Cross multiply
    141,020.76x = 194,607.48 × 77,357.40
  4. Step 4: Simplify right side
    141,020.76x = 15,054,328,673.35
  5. Step 5: Solve for x
    x = 15,054,328,673.35/141,020.76
  6. Step 6: Final answer
    x = 106,752.57

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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.