Home / 141,203.81-194,862.63-77,542.98

Finding the Fourth Proportional to 141,203.81, 194,862.63 and 77,542.98

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Solution

The fourth proportional to 141,203.81, 194,862.63 and 77,542.98 is: 107,010.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,203.81 : 194,862.63 = 77,542.98 : x
  2. Step 2: Convert to fraction form
    141,203.81/194,862.63 = 77,542.98/x
  3. Step 3: Cross multiply
    141,203.81x = 194,862.63 × 77,542.98
  4. Step 4: Simplify right side
    141,203.81x = 15,110,228,144.71
  5. Step 5: Solve for x
    x = 15,110,228,144.71/141,203.81
  6. Step 6: Final answer
    x = 107,010.06

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1.5x scale

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.