Home / 141,527.84-195,308.43-77,865.65

Finding the Fourth Proportional to 141,527.84, 195,308.43 and 77,865.65

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Solution

The fourth proportional to 141,527.84, 195,308.43 and 77,865.65 is: 107,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,527.84 : 195,308.43 = 77,865.65 : x
  2. Step 2: Convert to fraction form
    141,527.84/195,308.43 = 77,865.65/x
  3. Step 3: Cross multiply
    141,527.84x = 195,308.43 × 77,865.65
  4. Step 4: Simplify right side
    141,527.84x = 15,207,817,852.43
  5. Step 5: Solve for x
    x = 15,207,817,852.43/141,527.84
  6. Step 6: Final answer
    x = 107,454.60

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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.