Home / 141,048.42-194,647.01-77,386.47

Finding the Fourth Proportional to 141,048.42, 194,647.01 and 77,386.47

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Solution

The fourth proportional to 141,048.42, 194,647.01 and 77,386.47 is: 106,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,048.42 : 194,647.01 = 77,386.47 : x
  2. Step 2: Convert to fraction form
    141,048.42/194,647.01 = 77,386.47/x
  3. Step 3: Cross multiply
    141,048.42x = 194,647.01 × 77,386.47
  4. Step 4: Simplify right side
    141,048.42x = 15,063,044,999.95
  5. Step 5: Solve for x
    x = 15,063,044,999.95/141,048.42
  6. Step 6: Final answer
    x = 106,793.43

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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.