Home / 141,634.81-195,457.35-77,973.67

Finding the Fourth Proportional to 141,634.81, 195,457.35 and 77,973.67

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Solution

The fourth proportional to 141,634.81, 195,457.35 and 77,973.67 is: 107,604.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,634.81 : 195,457.35 = 77,973.67 : x
  2. Step 2: Convert to fraction form
    141,634.81/195,457.35 = 77,973.67/x
  3. Step 3: Cross multiply
    141,634.81x = 195,457.35 × 77,973.67
  4. Step 4: Simplify right side
    141,634.81x = 15,240,526,907.97
  5. Step 5: Solve for x
    x = 15,240,526,907.97/141,634.81
  6. Step 6: Final answer
    x = 107,604.39

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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.